253454530145 has 32 divisors (see below), whose sum is σ = 314491948800. Its totient is φ = 196007454720.

The previous prime is 253454530141. The next prime is 253454530183. The reversal of 253454530145 is 541035454352.

It is not a de Polignac number, because 253454530145 - 2² = 253454530141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253454530141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4840505 + ... + 4892585.

It is an arithmetic number, because the mean of its divisors is an integer number (9827873400).

Almost surely, 2^253454530145 is an apocalyptic number.

It is an amenable number.

253454530145 is a deficient number, since it is larger than the sum of its proper divisors (61037418655).

253454530145 is a wasteful number, since it uses less digits than its factorization.

253454530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52425.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 253454530145 its reverse (541035454352), we get a palindrome (794489984497).

The spelling of 253454530145 in words is "two hundred fifty-three billion, four hundred fifty-four million, five hundred thirty thousand, one hundred forty-five".