253015291145 has 16 divisors (see below), whose sum is σ = 303902710272. Its totient is φ = 202222759680.

The previous prime is 253015291129. The next prime is 253015291153. The reversal of 253015291145 is 541192510352.

It is a happy number.

It is not a de Polignac number, because 253015291145 - 2⁴ = 253015291129 is a prime.

It is a super-2 number, since 2×253015291145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253015291099 and 253015291108.

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, 39036305 + ... + 39042785.

It is an arithmetic number, because the mean of its divisors is an integer number (18993919392).

Almost surely, 2^253015291145 is an apocalyptic number.

It is an amenable number.

253015291145 is a deficient number, since it is larger than the sum of its proper divisors (50887419127).

253015291145 is a wasteful number, since it uses less digits than its factorization.

253015291145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 253015291145 in words is "two hundred fifty-three billion, fifteen million, two hundred ninety-one thousand, one hundred forty-five".