45713909 has 2 divisors, whose sum is σ = 45713910. Its totient is φ = 45713908.

The previous prime is 45713897. The next prime is 45713929. The reversal of 45713909 is 90931754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42640900 + 3073009 = 6530^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 45713909 - 2¹² = 45709813 is a prime.

It is a super-2 number, since 2×45713909² = 4179522952120562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45713929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22856954 + 22856955.

It is an arithmetic number, because the mean of its divisors is an integer number (22856955).

Almost surely, 2^45713909 is an apocalyptic number.

It is an amenable number.

45713909 is a deficient number, since it is larger than the sum of its proper divisors (1).

45713909 is an equidigital number, since it uses as much as digits as its factorization.

45713909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 45713909 is about 6761.2061793736. The cubic root of 45713909 is about 357.5604318594.

The spelling of 45713909 in words is "forty-five million, seven hundred thirteen thousand, nine hundred nine".