45973643 has 2 divisors, whose sum is σ = 45973644. Its totient is φ = 45973642.

The previous prime is 45973607. The next prime is 45973657. The reversal of 45973643 is 34637954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45973643 - 2¹⁸ = 45711499 is a prime.

It is a super-2 number, since 2×45973643² = 4227151701382898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45973643.

It is not a weakly prime, because it can be changed into another prime (45973663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22986821 + 22986822.

It is an arithmetic number, because the mean of its divisors is an integer number (22986822).

Almost surely, 2^45973643 is an apocalyptic number.

45973643 is a deficient number, since it is larger than the sum of its proper divisors (1).

45973643 is an equidigital number, since it uses as much as digits as its factorization.

45973643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 45973643 is about 6780.3866408930. The cubic root of 45973643 is about 358.2363404092.

The spelling of 45973643 in words is "forty-five million, nine hundred seventy-three thousand, six hundred forty-three".