155014004 has 12 divisors (see below), whose sum is σ = 275872800. Its totient is φ = 76193208.

The previous prime is 155013983. The next prime is 155014009. The reversal of 155014004 is 400410551.

It is a super-2 number, since 2×155014004² = 48058682872224032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155014009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328184 + ... + 328655.

It is an arithmetic number, because the mean of its divisors is an integer number (22989400).

Almost surely, 2^155014004 is an apocalyptic number.

It is an amenable number.

155014004 is a deficient number, since it is larger than the sum of its proper divisors (120858796).

155014004 is a wasteful number, since it uses less digits than its factorization.

155014004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656902 (or 656900 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 155014004 is about 12450.4619994601. The cubic root of 155014004 is about 537.1847124442.

Adding to 155014004 its reverse (400410551), we get a palindrome (555424555).

The spelling of 155014004 in words is "one hundred fifty-five million, fourteen thousand, four".