45251761 has 8 divisors (see below), whose sum is σ = 46499040. Its totient is φ = 44020608.

The previous prime is 45251743. The next prime is 45251797. The reversal of 45251761 is 16715254.

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

It is not a de Polignac number, because 45251761 - 2⁵ = 45251729 is a prime.

It is a super-2 number, since 2×45251761² = 4095443747202242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45255761) 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, 1770 + ... + 9676.

It is an arithmetic number, because the mean of its divisors is an integer number (5812380).

Almost surely, 2^45251761 is an apocalyptic number.

It is an amenable number.

45251761 is a deficient number, since it is larger than the sum of its proper divisors (1247279).

45251761 is an equidigital number, since it uses as much as digits as its factorization.

45251761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063.

The product of its digits is 8400, while the sum is 31.

The square root of 45251761 is about 6726.9429163625. The cubic root of 45251761 is about 356.3514209647.

The spelling of 45251761 in words is "forty-five million, two hundred fifty-one thousand, seven hundred sixty-one".