45190449 has 12 divisors (see below), whose sum is σ = 66102400. Its totient is φ = 29745144.

The previous prime is 45190433. The next prime is 45190499. The reversal of 45190449 is 94409154.

It is a happy number.

It is not a de Polignac number, because 45190449 - 2⁴ = 45190433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45190499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31069 + ... + 32490.

Almost surely, 2^45190449 is an apocalyptic number.

It is an amenable number.

45190449 is a deficient number, since it is larger than the sum of its proper divisors (20911951).

45190449 is a wasteful number, since it uses less digits than its factorization.

45190449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63644 (or 63641 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 45190449 is about 6722.3841752759. The cubic root of 45190449 is about 356.1904070218.

The spelling of 45190449 in words is "forty-five million, one hundred ninety thousand, four hundred forty-nine".