45076989 has 16 divisors (see below), whose sum is σ = 62583872. Its totient is φ = 28833408.

The previous prime is 45076981. The next prime is 45077009. The reversal of 45076989 is 98967054.

It is not a de Polignac number, because 45076989 - 2³ = 45076981 is a prime.

It is a super-2 number, since 2×45076989² = 4063869874612242, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45076981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5322 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (3911492).

Almost surely, 2^45076989 is an apocalyptic number.

It is an amenable number.

45076989 is a deficient number, since it is larger than the sum of its proper divisors (17506883).

45076989 is a wasteful number, since it uses less digits than its factorization.

45076989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 45076989 is about 6713.9399014290. The cubic root of 45076989 is about 355.8920605513.

The spelling of 45076989 in words is "forty-five million, seventy-six thousand, nine hundred eighty-nine".