45049886 has 8 divisors (see below), whose sum is σ = 77228400. Its totient is φ = 19307088.

The previous prime is 45049883. The next prime is 45049891. The reversal of 45049886 is 68894054.

It is a happy number.

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

It is a super-2 number, since 2×45049886² = 4058984457225992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45049883) 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, 1608911 + ... + 1608938.

It is an arithmetic number, because the mean of its divisors is an integer number (9653550).

Almost surely, 2^45049886 is an apocalyptic number.

45049886 is a deficient number, since it is larger than the sum of its proper divisors (32178514).

45049886 is a wasteful number, since it uses less digits than its factorization.

45049886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217858.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 45049886 is about 6711.9211854729. The cubic root of 45049886 is about 355.8207183389.

The spelling of 45049886 in words is "forty-five million, forty-nine thousand, eight hundred eighty-six".