155052801 has 24 divisors (see below), whose sum is σ = 239466240. Its totient is φ = 96333696.

The previous prime is 155052791. The next prime is 155052809. The reversal of 155052801 is 108250551.

155052801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-155052801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155052809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10840 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (9977760).

Almost surely, 2^155052801 is an apocalyptic number.

It is an amenable number.

155052801 is a deficient number, since it is larger than the sum of its proper divisors (84413439).

155052801 is a wasteful number, since it uses less digits than its factorization.

155052801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9962 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 155052801 is about 12452.0199566175. The cubic root of 155052801 is about 537.2295243457.

The spelling of 155052801 in words is "one hundred fifty-five million, fifty-two thousand, eight hundred one".