254151555 has 32 divisors (see below), whose sum is σ = 465606144. Its totient is φ = 115965696.

The previous prime is 254151533. The next prime is 254151571. The reversal of 254151555 is 555151452.

It is not a de Polignac number, because 254151555 - 2⁷ = 254151427 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62824 + ... + 66746.

It is an arithmetic number, because the mean of its divisors is an integer number (14550192).

Almost surely, 2^254151555 is an apocalyptic number.

254151555 is a deficient number, since it is larger than the sum of its proper divisors (211454589).

254151555 is a wasteful number, since it uses less digits than its factorization.

254151555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its digits is 25000, while the sum is 33.

The square root of 254151555 is about 15942.1314446971. The cubic root of 254151555 is about 633.4284863189.

The spelling of 254151555 in words is "two hundred fifty-four million, one hundred fifty-one thousand, five hundred fifty-five".