45049946 has 4 divisors (see below), whose sum is σ = 67574922. Its totient is φ = 22524972.

The previous prime is 45049937. The next prime is 45049951. The reversal of 45049946 is 64994054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39828721 + 5221225 = 6311^2 + 2285^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262485 + ... + 11262488.

Almost surely, 2^45049946 is an apocalyptic number.

45049946 is a deficient number, since it is larger than the sum of its proper divisors (22524976).

45049946 is a wasteful number, since it uses less digits than its factorization.

45049946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22524975.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 45049946 is about 6711.9256551306. The cubic root of 45049946 is about 355.8208763063.

The spelling of 45049946 in words is "forty-five million, forty-nine thousand, nine hundred forty-six".