45150253 has 4 divisors (see below), whose sum is σ = 45186208. Its totient is φ = 45114300.

The previous prime is 45150239. The next prime is 45150271. The reversal of 45150253 is 35205154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45150253 - 2²⁵ = 11595821 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 (45150293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16023 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (11296552).

Almost surely, 2^45150253 is an apocalyptic number.

It is an amenable number.

45150253 is a deficient number, since it is larger than the sum of its proper divisors (35955).

45150253 is a wasteful number, since it uses less digits than its factorization.

45150253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35954.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 45150253 is about 6719.3937970624. The cubic root of 45150253 is about 356.0847676146.

The spelling of 45150253 in words is "forty-five million, one hundred fifty thousand, two hundred fifty-three".