155265351 has 4 divisors (see below), whose sum is σ = 207020472. Its totient is φ = 103510232.

The previous prime is 155265343. The next prime is 155265367. The reversal of 155265351 is 153562551.

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

It is a cyclic number.

It is not a de Polignac number, because 155265351 - 2³ = 155265343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155265151) 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, 25877556 + ... + 25877561.

It is an arithmetic number, because the mean of its divisors is an integer number (51755118).

Almost surely, 2^155265351 is an apocalyptic number.

155265351 is a deficient number, since it is larger than the sum of its proper divisors (51755121).

155265351 is an equidigital number, since it uses as much as digits as its factorization.

155265351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51755120.

The product of its digits is 22500, while the sum is 33.

The square root of 155265351 is about 12460.5517935603. The cubic root of 155265351 is about 537.4748945188.

The spelling of 155265351 in words is "one hundred fifty-five million, two hundred sixty-five thousand, three hundred fifty-one".