45012427 has 2 divisors, whose sum is σ = 45012428. Its totient is φ = 45012426.

The previous prime is 45012377. The next prime is 45012433. The reversal of 45012427 is 72421054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45012427 - 2⁷ = 45012299 is a prime.

It is a super-2 number, since 2×45012427² = 4052237168860658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45012467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22506213 + 22506214.

It is an arithmetic number, because the mean of its divisors is an integer number (22506214).

Almost surely, 2^45012427 is an apocalyptic number.

45012427 is a deficient number, since it is larger than the sum of its proper divisors (1).

45012427 is an equidigital number, since it uses as much as digits as its factorization.

45012427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45012427 is about 6709.1301224525. The cubic root of 45012427 is about 355.7220692971.

The spelling of 45012427 in words is "forty-five million, twelve thousand, four hundred twenty-seven".