45501199 has 4 divisors (see below), whose sum is σ = 47479536. Its totient is φ = 43522864.

The previous prime is 45501193. The next prime is 45501221. The reversal of 45501199 is 99110554.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45501199 - 2⁵ = 45501167 is a prime.

It is a super-2 number, since 2×45501199² = 4140718220875202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45501193) 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, 989134 + ... + 989179.

It is an arithmetic number, because the mean of its divisors is an integer number (11869884).

Almost surely, 2^45501199 is an apocalyptic number.

45501199 is a deficient number, since it is larger than the sum of its proper divisors (1978337).

45501199 is a wasteful number, since it uses less digits than its factorization.

45501199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978336.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 45501199 is about 6745.4576568236. The cubic root of 45501199 is about 357.0049849309.

The spelling of 45501199 in words is "forty-five million, five hundred one thousand, one hundred ninety-nine".