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142045704 = 23332272897
BaseRepresentation
bin10000111011101…
…11001000001000
3100220021200002000
420131313020020
5242330430304
622032311000
73343240263
oct1035671010
9326250060
10142045704
11731aa049
123b6a2460
1323575518
1414c17cda
15c70c939
hex8777208

142045704 has 64 divisors (see below), whose sum is σ = 396446400. Its totient is φ = 47123712.

The previous prime is 142045697. The next prime is 142045711. The reversal of 142045704 is 407540241.

It is an interprime number because it is at equal distance from previous prime (142045697) and next prime (142045711).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47584 + ... + 50480.

It is an arithmetic number, because the mean of its divisors is an integer number (6194475).

Almost surely, 2142045704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142045704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198223200).

142045704 is an abundant number, since it is smaller than the sum of its proper divisors (254400696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142045704 is a wasteful number, since it uses less digits than its factorization.

142045704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 142045704 is about 11918.2928307707. The cubic root of 142045704 is about 521.7663110405.

Adding to 142045704 its reverse (407540241), we get a palindrome (549585945).

The spelling of 142045704 in words is "one hundred forty-two million, forty-five thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 227 454 681 908 1362 1816 2043 2724 2897 4086 5448 5794 6129 8172 8691 11588 12258 16344 17382 23176 24516 26073 34764 49032 52146 69528 78219 104292 156438 208584 312876 625752 657619 1315238 1972857 2630476 3945714 5260952 5918571 7891428 11837142 15782856 17755713 23674284 35511426 47348568 71022852 142045704