155432875 has 16 divisors (see below), whose sum is σ = 208903968. Its totient is φ = 114780000.

The previous prime is 155432869. The next prime is 155432881. The reversal of 155432875 is 578234551.

It is an interprime number because it is at equal distance from previous prime (155432869) and next prime (155432881).

It is not a de Polignac number, because 155432875 - 2⁵ = 155432843 is a prime.

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, 46201 + ... + 49450.

It is an arithmetic number, because the mean of its divisors is an integer number (13056498).

Almost surely, 2^155432875 is an apocalyptic number.

155432875 is a deficient number, since it is larger than the sum of its proper divisors (53471093).

155432875 is an equidigital number, since it uses as much as digits as its factorization.

155432875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95679 (or 95669 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 155432875 is about 12467.2721555278. The cubic root of 155432875 is about 537.6681284032.

The spelling of 155432875 in words is "one hundred fifty-five million, four hundred thirty-two thousand, eight hundred seventy-five".