155013004 has 24 divisors (see below), whose sum is σ = 297138240. Its totient is φ = 70430976.

The previous prime is 155012981. The next prime is 155013071. The reversal of 155013004 is 400310551.

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, 37332 + ... + 41275.

It is an arithmetic number, because the mean of its divisors is an integer number (12380760).

Almost surely, 2^155013004 is an apocalyptic number.

It is an amenable number.

155013004 is a deficient number, since it is larger than the sum of its proper divisors (142125236).

155013004 is a wasteful number, since it uses less digits than its factorization.

155013004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78657 (or 78655 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 155013004 is about 12450.4218402430. The cubic root of 155013004 is about 537.1835573102.

Adding to 155013004 its reverse (400310551), we get a palindrome (555323555).

The spelling of 155013004 in words is "one hundred fifty-five million, thirteen thousand, four".