155264554 has 16 divisors (see below), whose sum is σ = 241286400. Its totient is φ = 74854080.

The previous prime is 155264537. The next prime is 155264609. The reversal of 155264554 is 455462551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13122 + ... + 21970.

It is an arithmetic number, because the mean of its divisors is an integer number (15080400).

Almost surely, 2^155264554 is an apocalyptic number.

155264554 is a deficient number, since it is larger than the sum of its proper divisors (86021846).

155264554 is a wasteful number, since it uses less digits than its factorization.

155264554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9165.

The product of its digits is 120000, while the sum is 37.

The square root of 155264554 is about 12460.5198125921. The cubic root of 155264554 is about 537.4739748712.

The spelling of 155264554 in words is "one hundred fifty-five million, two hundred sixty-four thousand, five hundred fifty-four".