45090446 has 8 divisors (see below), whose sum is σ = 67674960. Its totient is φ = 22532128.

The previous prime is 45090427. The next prime is 45090449. The reversal of 45090446 is 64409054.

It is a happy number.

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 (45090449) 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, 1451 + ... + 9606.

It is an arithmetic number, because the mean of its divisors is an integer number (8459370).

Almost surely, 2^45090446 is an apocalyptic number.

45090446 is a deficient number, since it is larger than the sum of its proper divisors (22584514).

45090446 is a wasteful number, since it uses less digits than its factorization.

45090446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13098.

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

The square root of 45090446 is about 6714.9419952819. The cubic root of 45090446 is about 355.9274722847.

The spelling of 45090446 in words is "forty-five million, ninety thousand, four hundred forty-six".