45913643 has 2 divisors, whose sum is σ = 45913644. Its totient is φ = 45913642.

The previous prime is 45913639. The next prime is 45913649. The reversal of 45913643 is 34631954.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45913643 - 2² = 45913639 is a prime.

It is a super-2 number, since 2×45913643² = 4216125227062898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45913649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22956821 + 22956822.

It is an arithmetic number, because the mean of its divisors is an integer number (22956822).

Almost surely, 2^45913643 is an apocalyptic number.

45913643 is a deficient number, since it is larger than the sum of its proper divisors (1).

45913643 is an equidigital number, since it uses as much as digits as its factorization.

45913643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 45913643 is about 6775.9606698977. The cubic root of 45913643 is about 358.0804283368.

The spelling of 45913643 in words is "forty-five million, nine hundred thirteen thousand, six hundred forty-three".