45105982 has 4 divisors (see below), whose sum is σ = 67658976. Its totient is φ = 22552990.

The previous prime is 45105953. The next prime is 45106007. The reversal of 45105982 is 28950154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28950154 = 2 ⋅14475077.

It is a super-2 number, since 2×45105982² = 4069099224368648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11276494 + ... + 11276497.

It is an arithmetic number, because the mean of its divisors is an integer number (16914744).

Almost surely, 2^45105982 is an apocalyptic number.

45105982 is a deficient number, since it is larger than the sum of its proper divisors (22552994).

45105982 is a wasteful number, since it uses less digits than its factorization.

45105982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552993.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 45105982 is about 6716.0987187503. The cubic root of 45105982 is about 355.9683460893.

The spelling of 45105982 in words is "forty-five million, one hundred five thousand, nine hundred eighty-two".