155798604 has 36 divisors (see below), whose sum is σ = 424119696. Its totient is φ = 47937888.

The previous prime is 155798593. The next prime is 155798609. The reversal of 155798604 is 406897551.

155798604 is a `hidden beast` number, since 1 + 557 + 98 + 6 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155798604.

It is not an unprimeable number, because it can be changed into a prime (155798609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165984 + ... + 166919.

Almost surely, 2^155798604 is an apocalyptic number.

It is an amenable number.

155798604 is an abundant number, since it is smaller than the sum of its proper divisors (268321092).

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

155798604 is a wasteful number, since it uses less digits than its factorization.

155798604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332926 (or 332921 counting only the distinct ones).

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

The square root of 155798604 is about 12481.9311005950. The cubic root of 155798604 is about 538.0895038644.

The spelling of 155798604 in words is "one hundred fifty-five million, seven hundred ninety-eight thousand, six hundred four".