45240051 has 8 divisors (see below), whose sum is σ = 60483280. Its totient is φ = 30078432.

The previous prime is 45240047. The next prime is 45240073. The reversal of 45240051 is 15004254.

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

It is not a de Polignac number, because 45240051 - 2² = 45240047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45240001) 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, 19096 + ... + 21333.

It is an arithmetic number, because the mean of its divisors is an integer number (7560410).

Almost surely, 2^45240051 is an apocalyptic number.

45240051 is a deficient number, since it is larger than the sum of its proper divisors (15243229).

45240051 is a wasteful number, since it uses less digits than its factorization.

45240051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40805.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 45240051 is about 6726.0724795381. The cubic root of 45240051 is about 356.3206800974.

The spelling of 45240051 in words is "forty-five million, two hundred forty thousand, fifty-one".