45939998 has 16 divisors (see below), whose sum is σ = 74405520. Its totient is φ = 21147456.

The previous prime is 45939991. The next prime is 45940019. The reversal of 45939998 is 89993954.

It is a super-2 number, since 2×45939998² = 4220966832480008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45939991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786 + ... + 13002.

It is an arithmetic number, because the mean of its divisors is an integer number (4650345).

Almost surely, 2^45939998 is an apocalyptic number.

45939998 is a deficient number, since it is larger than the sum of its proper divisors (28465522).

45939998 is a wasteful number, since it uses less digits than its factorization.

45939998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its digits is 3149280, while the sum is 56.

The square root of 45939998 is about 6777.9051335940. The cubic root of 45939998 is about 358.1489294326.

The spelling of 45939998 in words is "forty-five million, nine hundred thirty-nine thousand, nine hundred ninety-eight".