45401253 has 16 divisors (see below), whose sum is σ = 61468800. Its totient is φ = 29804544.

The previous prime is 45401233. The next prime is 45401281. The reversal of 45401253 is 35210454.

It is not a de Polignac number, because 45401253 - 2⁶ = 45401189 is a prime.

It is a super-2 number, since 2×45401253² = 4122547547940018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45401233) 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, 67125 + ... + 67797.

It is an arithmetic number, because the mean of its divisors is an integer number (3841800).

Almost surely, 2^45401253 is an apocalyptic number.

It is an amenable number.

45401253 is a deficient number, since it is larger than the sum of its proper divisors (16067547).

45401253 is a wasteful number, since it uses less digits than its factorization.

45401253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45401253 is about 6738.0451912999. The cubic root of 45401253 is about 356.7433993155.

It can be divided in two parts, 45401 and 253, that added together give a palindrome (45654).

The spelling of 45401253 in words is "forty-five million, four hundred one thousand, two hundred fifty-three".