45629845 has 4 divisors (see below), whose sum is σ = 54755820. Its totient is φ = 36503872.

The previous prime is 45629827. The next prime is 45629851. The reversal of 45629845 is 54892654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54892654 = 2 ⋅27446327.

It can be written as a sum of positive squares in 2 ways, for example, as 11792356 + 33837489 = 3434^2 + 5817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45629845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562980 + ... + 4562989.

It is an arithmetic number, because the mean of its divisors is an integer number (13688955).

Almost surely, 2^45629845 is an apocalyptic number.

It is an amenable number.

45629845 is a deficient number, since it is larger than the sum of its proper divisors (9125975).

45629845 is an equidigital number, since it uses as much as digits as its factorization.

45629845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125974.

The product of its digits is 345600, while the sum is 43.

The square root of 45629845 is about 6754.9866765228. The cubic root of 45629845 is about 357.3411229421.

The spelling of 45629845 in words is "forty-five million, six hundred twenty-nine thousand, eight hundred forty-five".