253090145 has 24 divisors (see below), whose sum is σ = 385414848. Its totient is φ = 157768800.

The previous prime is 253090133. The next prime is 253090181. The reversal of 253090145 is 541090352.

It is not a de Polignac number, because 253090145 - 2⁴ = 253090129 is a prime.

It is a super-2 number, since 2×253090145² = 128109242992242050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44261 + ... + 49650.

It is an arithmetic number, because the mean of its divisors is an integer number (16058952).

Almost surely, 2^253090145 is an apocalyptic number.

It is an amenable number.

253090145 is a deficient number, since it is larger than the sum of its proper divisors (132324703).

253090145 is a wasteful number, since it uses less digits than its factorization.

253090145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93941 (or 93934 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 253090145 is about 15908.8071520149. The cubic root of 253090145 is about 632.5454627343.

The spelling of 253090145 in words is "two hundred fifty-three million, ninety thousand, one hundred forty-five".