45656987 has 2 divisors, whose sum is σ = 45656988. Its totient is φ = 45656986.

The previous prime is 45656983. The next prime is 45656999. The reversal of 45656987 is 78965654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45656987 - 2² = 45656983 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (45656983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22828493 + 22828494.

It is an arithmetic number, because the mean of its divisors is an integer number (22828494).

Almost surely, 2^45656987 is an apocalyptic number.

45656987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45656987 is an equidigital number, since it uses as much as digits as its factorization.

45656987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 45656987 is about 6756.9954121636. The cubic root of 45656987 is about 357.4119613032.

The spelling of 45656987 in words is "forty-five million, six hundred fifty-six thousand, nine hundred eighty-seven".