155432152 has 16 divisors (see below), whose sum is σ = 293367600. Its totient is φ = 77200800.

The previous prime is 155432131. The next prime is 155432177. The reversal of 155432152 is 251234551.

It is a super-2 number, since 2×155432152² = 48318307750702208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155432152.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63127 + ... + 65542.

It is an arithmetic number, because the mean of its divisors is an integer number (18335475).

Almost surely, 2^155432152 is an apocalyptic number.

It is an amenable number.

155432152 is a deficient number, since it is larger than the sum of its proper divisors (137935448).

155432152 is a wasteful number, since it uses less digits than its factorization.

155432152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128826 (or 128822 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 155432152 is about 12467.2431595762. The cubic root of 155432152 is about 537.6672947429.

The spelling of 155432152 in words is "one hundred fifty-five million, four hundred thirty-two thousand, one hundred fifty-two".