45640963 has 2 divisors, whose sum is σ = 45640964. Its totient is φ = 45640962.

The previous prime is 45640949. The next prime is 45640967. The reversal of 45640963 is 36904654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45640963 - 2²¹ = 43543811 is a prime.

It is not a weakly prime, because it can be changed into another prime (45640967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22820481 + 22820482.

It is an arithmetic number, because the mean of its divisors is an integer number (22820482).

Almost surely, 2^45640963 is an apocalyptic number.

45640963 is a deficient number, since it is larger than the sum of its proper divisors (1).

45640963 is an equidigital number, since it uses as much as digits as its factorization.

45640963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 45640963 is about 6755.8095739889. The cubic root of 45640963 is about 357.3701433926.

The spelling of 45640963 in words is "forty-five million, six hundred forty thousand, nine hundred sixty-three".