155256267 has 4 divisors (see below), whose sum is σ = 207008360. Its totient is φ = 103504176.

The previous prime is 155256263. The next prime is 155256271. The reversal of 155256267 is 762652551.

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

It is an interprime number because it is at equal distance from previous prime (155256263) and next prime (155256271).

It is not a de Polignac number, because 155256267 - 2² = 155256263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155256263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25876042 + ... + 25876047.

It is an arithmetic number, because the mean of its divisors is an integer number (51752090).

Almost surely, 2^155256267 is an apocalyptic number.

155256267 is a deficient number, since it is larger than the sum of its proper divisors (51752093).

155256267 is an equidigital number, since it uses as much as digits as its factorization.

155256267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51752092.

The product of its digits is 126000, while the sum is 39.

The square root of 155256267 is about 12460.1872778863. The cubic root of 155256267 is about 537.4644124266.

The spelling of 155256267 in words is "one hundred fifty-five million, two hundred fifty-six thousand, two hundred sixty-seven".