45280691 has 2 divisors, whose sum is σ = 45280692. Its totient is φ = 45280690.

The previous prime is 45280681. The next prime is 45280717. The reversal of 45280691 is 19608254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45280691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45280601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22640345 + 22640346.

It is an arithmetic number, because the mean of its divisors is an integer number (22640346).

Almost surely, 2^45280691 is an apocalyptic number.

45280691 is a deficient number, since it is larger than the sum of its proper divisors (1).

45280691 is an equidigital number, since it uses as much as digits as its factorization.

45280691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 45280691 is about 6729.0928809164. The cubic root of 45280691 is about 356.4273447167.

The spelling of 45280691 in words is "forty-five million, two hundred eighty thousand, six hundred ninety-one".