45007427 has 2 divisors, whose sum is σ = 45007428. Its totient is φ = 45007426.

The previous prime is 45007423. The next prime is 45007433. The reversal of 45007427 is 72470054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45007427 - 2² = 45007423 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45007427.

It is not a weakly prime, because it can be changed into another prime (45007423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22503713 + 22503714.

It is an arithmetic number, because the mean of its divisors is an integer number (22503714).

Almost surely, 2^45007427 is an apocalyptic number.

45007427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45007427 is an equidigital number, since it uses as much as digits as its factorization.

45007427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 45007427 is about 6708.7574855557. The cubic root of 45007427 is about 355.7088975552.

The spelling of 45007427 in words is "forty-five million, seven thousand, four hundred twenty-seven".