45106989 has 8 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 30003456.

The previous prime is 45106987. The next prime is 45106991. The reversal of 45106989 is 98960154.

It is an interprime number because it is at equal distance from previous prime (45106987) and next prime (45106991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45106989 - 2¹ = 45106987 is a prime.

It is a super-2 number, since 2×45106989² = 4069280913292242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45106989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45106987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15397 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (7534800).

Almost surely, 2^45106989 is an apocalyptic number.

It is an amenable number.

45106989 is a deficient number, since it is larger than the sum of its proper divisors (15171411).

45106989 is a wasteful number, since it uses less digits than its factorization.

45106989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33939.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 45106989 is about 6716.1736874503. The cubic root of 45106989 is about 355.9709950909.

The spelling of 45106989 in words is "forty-five million, one hundred six thousand, nine hundred eighty-nine".