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144445302 = 2332674913
BaseRepresentation
bin10001001110000…
…00111101110110
3101001210120201000
420213000331312
5243434222202
622155544130
73402523221
oct1047007566
9331716630
10144445302
1174598991
124045b046
1323c057c1
14152805b8
15ca3391c
hex89c0f76

144445302 has 16 divisors (see below), whose sum is σ = 320989680. Its totient is φ = 48148416.

The previous prime is 144445297. The next prime is 144445307. The reversal of 144445302 is 203544441.

It is a happy number.

144445302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144445297) and next prime (144445307).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144445307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337403 + ... + 1337510.

It is an arithmetic number, because the mean of its divisors is an integer number (20061855).

Almost surely, 2144445302 is an apocalyptic number.

144445302 is an abundant number, since it is smaller than the sum of its proper divisors (176544378).

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

144445302 is a wasteful number, since it uses less digits than its factorization.

144445302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674924 (or 2674918 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 144445302 is about 12018.5399279613. The cubic root of 144445302 is about 524.6880105505.

Adding to 144445302 its reverse (203544441), we get a palindrome (347989743).

The spelling of 144445302 in words is "one hundred forty-four million, four hundred forty-five thousand, three hundred two".

Divisors: 1 2 3 6 9 18 27 54 2674913 5349826 8024739 16049478 24074217 48148434 72222651 144445302