155267455 has 16 divisors (see below), whose sum is σ = 213272640. Its totient is φ = 106301952.

The previous prime is 155267447. The next prime is 155267491. The reversal of 155267455 is 554762551.

155267455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 155267455 - 2³ = 155267447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21687 + ... + 27943.

It is an arithmetic number, because the mean of its divisors is an integer number (13329540).

Almost surely, 2^155267455 is an apocalyptic number.

155267455 is a deficient number, since it is larger than the sum of its proper divisors (58005185).

155267455 is an equidigital number, since it uses as much as digits as its factorization.

155267455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6978.

The product of its digits is 210000, while the sum is 40.

The square root of 155267455 is about 12460.6362197121. The cubic root of 155267455 is about 537.4773222810.

The spelling of 155267455 in words is "one hundred fifty-five million, two hundred sixty-seven thousand, four hundred fifty-five".