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142124303 = 8397127139
BaseRepresentation
bin10000111100010…
…10010100001111
3100220102122220002
420132022110033
5242340434203
622034114515
73344015366
oct1036122417
9326378802
10142124303
1173253102
123b71ba3b
13235a2229
1414c387dd
15c725d88
hex878a50f

142124303 has 16 divisors (see below), whose sum is σ = 147517440. Its totient is φ = 136878336.

The previous prime is 142124293. The next prime is 142124347. The reversal of 142124303 is 303421241.

It is a cyclic number.

It is not a de Polignac number, because 142124303 - 214 = 142107919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142124393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022408 + ... + 1022546.

It is an arithmetic number, because the mean of its divisors is an integer number (9219840).

Almost surely, 2142124303 is an apocalyptic number.

142124303 is a deficient number, since it is larger than the sum of its proper divisors (5393137).

142124303 is a wasteful number, since it uses less digits than its factorization.

142124303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142124303 is about 11921.5897849238. The cubic root of 142124303 is about 521.8625306545.

Adding to 142124303 its reverse (303421241), we get a palindrome (445545544).

The spelling of 142124303 in words is "one hundred forty-two million, one hundred twenty-four thousand, three hundred three".

Divisors: 1 83 97 127 139 8051 10541 11537 12319 13483 17653 1022477 1119089 1465199 1712341 142124303