155052799 has 8 divisors (see below), whose sum is σ = 169401600. Its totient is φ = 140746200.

The previous prime is 155052791. The next prime is 155052809. The reversal of 155052799 is 997250551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155052799 - 2³ = 155052791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155052791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599 + ... + 17800.

It is an arithmetic number, because the mean of its divisors is an integer number (21175200).

Almost surely, 2^155052799 is an apocalyptic number.

155052799 is a deficient number, since it is larger than the sum of its proper divisors (14348801).

155052799 is a wasteful number, since it uses less digits than its factorization.

155052799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101.

The product of its (nonzero) digits is 141750, while the sum is 43.

The square root of 155052799 is about 12452.0198763092. The cubic root of 155052799 is about 537.2295220358.

The spelling of 155052799 in words is "one hundred fifty-five million, fifty-two thousand, seven hundred ninety-nine".