45408929 has 2 divisors, whose sum is σ = 45408930. Its totient is φ = 45408928.

The previous prime is 45408919. The next prime is 45408943. The reversal of 45408929 is 92980454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29408929 + 16000000 = 5423^2 + 4000^2 .

It is a cyclic number.

It is not a de Polignac number, because 45408929 - 2⁸ = 45408673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45408919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22704464 + 22704465.

It is an arithmetic number, because the mean of its divisors is an integer number (22704465).

Almost surely, 2^45408929 is an apocalyptic number.

It is an amenable number.

45408929 is a deficient number, since it is larger than the sum of its proper divisors (1).

45408929 is an equidigital number, since it uses as much as digits as its factorization.

45408929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 45408929 is about 6738.6147686301. The cubic root of 45408929 is about 356.7635030780.

The spelling of 45408929 in words is "forty-five million, four hundred eight thousand, nine hundred twenty-nine".