45153251 has 24 divisors (see below), whose sum is σ = 54074304. Its totient is φ = 37371360.

The previous prime is 45153247. The next prime is 45153257. The reversal of 45153251 is 15235154.

It is not a de Polignac number, because 45153251 - 2² = 45153247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45153251.

It is not an unprimeable number, because it can be changed into a prime (45153257) 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, 198800 + ... + 199026.

It is an arithmetic number, because the mean of its divisors is an integer number (2253096).

Almost surely, 2^45153251 is an apocalyptic number.

45153251 is a deficient number, since it is larger than the sum of its proper divisors (8921053).

45153251 is a wasteful number, since it uses less digits than its factorization.

45153251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 358 counting only the distinct ones).

The product of its digits is 3000, while the sum is 26.

The square root of 45153251 is about 6719.6168789597. The cubic root of 45153251 is about 356.0926488440.

The spelling of 45153251 in words is "forty-five million, one hundred fifty-three thousand, two hundred fifty-one".