155924855 has 4 divisors (see below), whose sum is σ = 187109832. Its totient is φ = 124739880.

The previous prime is 155924809. The next prime is 155924891. The reversal of 155924855 is 558429551.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 155924855 - 2¹⁸ = 155662711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15592481 + ... + 15592490.

It is an arithmetic number, because the mean of its divisors is an integer number (46777458).

Almost surely, 2^155924855 is an apocalyptic number.

155924855 is a deficient number, since it is larger than the sum of its proper divisors (31184977).

155924855 is an equidigital number, since it uses as much as digits as its factorization.

155924855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31184976.

The product of its digits is 360000, while the sum is 44.

The square root of 155924855 is about 12486.9874269177. The cubic root of 155924855 is about 538.2348111058.

The spelling of 155924855 in words is "one hundred fifty-five million, nine hundred twenty-four thousand, eight hundred fifty-five".