45261239 has 2 divisors, whose sum is σ = 45261240. Its totient is φ = 45261238.

The previous prime is 45261197. The next prime is 45261277. The reversal of 45261239 is 93216254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45261239 - 2¹² = 45257143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45261739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22630619 + 22630620.

It is an arithmetic number, because the mean of its divisors is an integer number (22630620).

Almost surely, 2^45261239 is an apocalyptic number.

45261239 is a deficient number, since it is larger than the sum of its proper divisors (1).

45261239 is an equidigital number, since it uses as much as digits as its factorization.

45261239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 45261239 is about 6727.6473599617. The cubic root of 45261239 is about 356.3762985452.

The spelling of 45261239 in words is "forty-five million, two hundred sixty-one thousand, two hundred thirty-nine".