155256374 has 16 divisors (see below), whose sum is σ = 286627488. Its totient is φ = 61420032.

The previous prime is 155256337. The next prime is 155256377. The reversal of 155256374 is 473652551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155256377) 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, 426347 + ... + 426710.

It is an arithmetic number, because the mean of its divisors is an integer number (17914218).

Almost surely, 2^155256374 is an apocalyptic number.

155256374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155256374 is a deficient number, since it is larger than the sum of its proper divisors (131371114).

155256374 is a wasteful number, since it uses less digits than its factorization.

155256374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853079.

The product of its digits is 126000, while the sum is 38.

The square root of 155256374 is about 12460.1915715610. The cubic root of 155256374 is about 537.4645358970.

The spelling of 155256374 in words is "one hundred fifty-five million, two hundred fifty-six thousand, three hundred seventy-four".