155680375 has 16 divisors (see below), whose sum is σ = 194800320. Its totient is φ = 124216800.

The previous prime is 155680363. The next prime is 155680429. The reversal of 155680375 is 573086551.

It is not a de Polignac number, because 155680375 - 2²¹ = 153583223 is a prime.

It is a congruent number.

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, 53457 + ... + 56293.

It is an arithmetic number, because the mean of its divisors is an integer number (12175020).

Almost surely, 2^155680375 is an apocalyptic number.

155680375 is a deficient number, since it is larger than the sum of its proper divisors (39119945).

155680375 is an equidigital number, since it uses as much as digits as its factorization.

155680375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 155680375 is about 12477.1941958118. The cubic root of 155680375 is about 537.9533582650.

The spelling of 155680375 in words is "one hundred fifty-five million, six hundred eighty thousand, three hundred seventy-five".