155050004 has 12 divisors (see below), whose sum is σ = 271639200. Its totient is φ = 77438808.

The previous prime is 155049989. The next prime is 155050009. The reversal of 155050004 is 400050551.

155050004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×155050004³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155050009) 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, 17414 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (22636600).

Almost surely, 2^155050004 is an apocalyptic number.

It is an amenable number.

155050004 is a deficient number, since it is larger than the sum of its proper divisors (116589196).

155050004 is a wasteful number, since it uses less digits than its factorization.

155050004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43102 (or 43100 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 155050004 is about 12451.9076450157. The cubic root of 155050004 is about 537.2262939622.

The spelling of 155050004 in words is "one hundred fifty-five million, fifty thousand, four".