45447346 has 16 divisors (see below), whose sum is σ = 79231680. Its totient is φ = 19146960.

The previous prime is 45447343. The next prime is 45447361. The reversal of 45447346 is 64374454.

It is a super-2 number, since 2×45447346² = 4130922516887432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45447343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26685 + ... + 28336.

It is an arithmetic number, because the mean of its divisors is an integer number (4951980).

Almost surely, 2^45447346 is an apocalyptic number.

45447346 is a deficient number, since it is larger than the sum of its proper divisors (33784334).

45447346 is a wasteful number, since it uses less digits than its factorization.

45447346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55089.

The product of its digits is 161280, while the sum is 37.

The square root of 45447346 is about 6741.4646776498. The cubic root of 45447346 is about 356.8640847659.

The spelling of 45447346 in words is "forty-five million, four hundred forty-seven thousand, three hundred forty-six".