249158855 has 16 divisors (see below), whose sum is σ = 330645024. Its totient is φ = 178721280.

The previous prime is 249158821. The next prime is 249158929. The reversal of 249158855 is 558851942.

It is not a de Polignac number, because 249158855 - 2¹⁴ = 249142471 is a prime.

It is a super-2 number, since 2×249158855² = 124160270049822050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 27014 + ... + 35043.

It is an arithmetic number, because the mean of its divisors is an integer number (20665314).

Almost surely, 2^249158855 is an apocalyptic number.

249158855 is a deficient number, since it is larger than the sum of its proper divisors (81486169).

249158855 is a wasteful number, since it uses less digits than its factorization.

249158855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62146.

The product of its digits is 576000, while the sum is 47.

The square root of 249158855 is about 15784.7665487963. The cubic root of 249158855 is about 629.2532135571.

The spelling of 249158855 in words is "two hundred forty-nine million, one hundred fifty-eight thousand, eight hundred fifty-five".