155096478 has 32 divisors (see below), whose sum is σ = 347155200. Its totient is φ = 51324408.

The previous prime is 155096477. The next prime is 155096483. The reversal of 155096478 is 874690551.

155096478 is a `hidden beast` number, since 1 + 550 + 96 + 4 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155096471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826 + ... + 17837.

It is an arithmetic number, because the mean of its divisors is an integer number (10848600).

Almost surely, 2^155096478 is an apocalyptic number.

155096478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

155096478 is an abundant number, since it is smaller than the sum of its proper divisors (192058722).

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

155096478 is a wasteful number, since it uses less digits than its factorization.

155096478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813 (or 20807 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 155096478 is about 12453.7736449640. The cubic root of 155096478 is about 537.2799638753.

The spelling of 155096478 in words is "one hundred fifty-five million, ninety-six thousand, four hundred seventy-eight".