45321494 has 4 divisors (see below), whose sum is σ = 67982244. Its totient is φ = 22660746.

The previous prime is 45321481. The next prime is 45321509. The reversal of 45321494 is 49412354.

45321494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45321494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11330372 + ... + 11330375.

It is an arithmetic number, because the mean of its divisors is an integer number (16995561).

Almost surely, 2^45321494 is an apocalyptic number.

45321494 is a deficient number, since it is larger than the sum of its proper divisors (22660750).

45321494 is a wasteful number, since it uses less digits than its factorization.

45321494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22660749.

The product of its digits is 17280, while the sum is 32.

The square root of 45321494 is about 6732.1240333196. The cubic root of 45321494 is about 356.5343729623.

The spelling of 45321494 in words is "forty-five million, three hundred twenty-one thousand, four hundred ninety-four".