155452655 has 4 divisors (see below), whose sum is σ = 186543192. Its totient is φ = 124362120.

The previous prime is 155452637. The next prime is 155452681. The reversal of 155452655 is 556254551.

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

It is not a de Polignac number, because 155452655 - 2⁸ = 155452399 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, 15545261 + ... + 15545270.

It is an arithmetic number, because the mean of its divisors is an integer number (46635798).

Almost surely, 2^155452655 is an apocalyptic number.

155452655 is a deficient number, since it is larger than the sum of its proper divisors (31090537).

155452655 is an equidigital number, since it uses as much as digits as its factorization.

155452655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31090536.

The product of its digits is 150000, while the sum is 38.

The square root of 155452655 is about 12468.0654072715. The cubic root of 155452655 is about 537.6909348708.

The spelling of 155452655 in words is "one hundred fifty-five million, four hundred fifty-two thousand, six hundred fifty-five".