45023253 has 24 divisors (see below), whose sum is σ = 68130048. Its totient is φ = 26400000.

The previous prime is 45023243. The next prime is 45023291. The reversal of 45023253 is 35232054.

It is not a de Polignac number, because 45023253 - 2¹⁸ = 44761109 is a prime.

It is a Curzon number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45023203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9253 + ... + 13253.

It is an arithmetic number, because the mean of its divisors is an integer number (2838752).

Almost surely, 2^45023253 is an apocalyptic number.

It is an amenable number.

45023253 is a deficient number, since it is larger than the sum of its proper divisors (23106795).

45023253 is a wasteful number, since it uses less digits than its factorization.

45023253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 45023253 is about 6709.9368849491. The cubic root of 45023253 is about 355.7505854105.

The spelling of 45023253 in words is "forty-five million, twenty-three thousand, two hundred fifty-three".