45251051 has 8 divisors (see below), whose sum is σ = 47326464. Its totient is φ = 43184680.

The previous prime is 45251039. The next prime is 45251077. The reversal of 45251051 is 15015254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45251051 - 2⁶ = 45250987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45251651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9290 + ... + 13296.

It is an arithmetic number, because the mean of its divisors is an integer number (5915808).

Almost surely, 2^45251051 is an apocalyptic number.

45251051 is a deficient number, since it is larger than the sum of its proper divisors (2075413).

45251051 is a wasteful number, since it uses less digits than its factorization.

45251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 45251051 is about 6726.8901432980. The cubic root of 45251051 is about 356.3495572373.

The spelling of 45251051 in words is "forty-five million, two hundred fifty-one thousand, fifty-one".