45289089 has 12 divisors (see below), whose sum is σ = 65934336. Its totient is φ = 29954232.

The previous prime is 45289087. The next prime is 45289117. The reversal of 45289089 is 98098254.

It is not a de Polignac number, because 45289089 - 2¹ = 45289087 is a prime.

It is a super-2 number, since 2×45289089² = 4102203164899842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45289081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18669 + ... + 20954.

It is an arithmetic number, because the mean of its divisors is an integer number (5494528).

Almost surely, 2^45289089 is an apocalyptic number.

It is an amenable number.

45289089 is a deficient number, since it is larger than the sum of its proper divisors (20645247).

45289089 is a wasteful number, since it uses less digits than its factorization.

45289089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39756 (or 39753 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 45289089 is about 6729.7168588285. The cubic root of 45289089 is about 356.4493783308.

The spelling of 45289089 in words is "forty-five million, two hundred eighty-nine thousand, eighty-nine".