45905146 has 8 divisors (see below), whose sum is σ = 78694560. Its totient is φ = 19673628.

The previous prime is 45905081. The next prime is 45905149. The reversal of 45905146 is 64150954.

45905146 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45905149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639456 + ... + 1639483.

It is an arithmetic number, because the mean of its divisors is an integer number (9836820).

Almost surely, 2^45905146 is an apocalyptic number.

45905146 is a deficient number, since it is larger than the sum of its proper divisors (32789414).

45905146 is a wasteful number, since it uses less digits than its factorization.

45905146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278948.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 45905146 is about 6775.3336449211. Note that the first 3 decimals coincide. The cubic root of 45905146 is about 358.0583376109.

The spelling of 45905146 in words is "forty-five million, nine hundred five thousand, one hundred forty-six".