45811390 has 8 divisors (see below), whose sum is σ = 82460520. Its totient is φ = 18324552.

The previous prime is 45811373. The next prime is 45811399. The reversal of 45811390 is 9311854.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45811399) 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, 2290560 + ... + 2290579.

It is an arithmetic number, because the mean of its divisors is an integer number (10307565).

Almost surely, 2^45811390 is an apocalyptic number.

45811390 is a deficient number, since it is larger than the sum of its proper divisors (36649130).

45811390 is a wasteful number, since it uses less digits than its factorization.

45811390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581146.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 45811390 is about 6768.4111872728. The cubic root of 45811390 is about 357.8144070950.

The spelling of 45811390 in words is "forty-five million, eight hundred eleven thousand, three hundred ninety".