45155894 has 32 divisors (see below), whose sum is σ = 83047680. Its totient is φ = 17982432.

The previous prime is 45155881. The next prime is 45155897. The reversal of 45155894 is 49855154.

45155894 is nontrivially palindromic in base 5.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155897) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12497 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (2595240).

Almost surely, 2^45155894 is an apocalyptic number.

45155894 is a deficient number, since it is larger than the sum of its proper divisors (37891786).

45155894 is a wasteful number, since it uses less digits than its factorization.

45155894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284.

The product of its digits is 144000, while the sum is 41.

The square root of 45155894 is about 6719.8135390798. The cubic root of 45155894 is about 356.0995965498.

The spelling of 45155894 in words is "forty-five million, one hundred fifty-five thousand, eight hundred ninety-four".