253145453 has 16 divisors (see below), whose sum is σ = 300314304. Its totient is φ = 210735360.

The previous prime is 253145441. The next prime is 253145461. The reversal of 253145453 is 354541352.

It is a happy number.

It is not a de Polignac number, because 253145453 - 2¹⁴ = 253129069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253145423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11375 + ... + 25212.

It is an arithmetic number, because the mean of its divisors is an integer number (18769644).

Almost surely, 2^253145453 is an apocalyptic number.

It is an amenable number.

253145453 is a deficient number, since it is larger than the sum of its proper divisors (47168851).

253145453 is a wasteful number, since it uses less digits than its factorization.

253145453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36652.

The product of its digits is 36000, while the sum is 32.

The square root of 253145453 is about 15910.5453394910. The cubic root of 253145453 is about 632.5915362738.

The spelling of 253145453 in words is "two hundred fifty-three million, one hundred forty-five thousand, four hundred fifty-three".