45323990 has 8 divisors (see below), whose sum is σ = 81583200. Its totient is φ = 18129592.

The previous prime is 45323981. The next prime is 45324011. The reversal of 45323990 is 9932354.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45323990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2266190 + ... + 2266209.

It is an arithmetic number, because the mean of its divisors is an integer number (10197900).

Almost surely, 2^45323990 is an apocalyptic number.

45323990 is a deficient number, since it is larger than the sum of its proper divisors (36259210).

45323990 is a wasteful number, since it uses less digits than its factorization.

45323990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532406.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 45323990 is about 6732.3094105960. The cubic root of 45323990 is about 356.5409180058.

The spelling of 45323990 in words is "forty-five million, three hundred twenty-three thousand, nine hundred ninety".