45251506315 has 4 divisors (see below), whose sum is σ = 54301807584. Its totient is φ = 36201205048.

The previous prime is 45251506303. The next prime is 45251506387. The reversal of 45251506315 is 51360515254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45251506315 - 2³¹ = 43104022667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4525150627 + ... + 4525150636.

It is an arithmetic number, because the mean of its divisors is an integer number (13575451896).

Almost surely, 2^45251506315 is an apocalyptic number.

45251506315 is a deficient number, since it is larger than the sum of its proper divisors (9050301269).

45251506315 is an equidigital number, since it uses as much as digits as its factorization.

45251506315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050301268.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 45251506315 in words is "forty-five billion, two hundred fifty-one million, five hundred six thousand, three hundred fifteen".