45972089 has 2 divisors, whose sum is σ = 45972090. Its totient is φ = 45972088.

The previous prime is 45972071. The next prime is 45972107. The reversal of 45972089 is 98027954.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (45972071) and next prime (45972107).

It can be written as a sum of positive squares in only one way, i.e., 37515625 + 8456464 = 6125^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 45972089 - 2⁸ = 45971833 is a prime.

It is a super-2 number, since 2×45972089² = 4226865934047842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45978089) 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 as a sum of consecutive naturals, namely, 22986044 + 22986045.

It is an arithmetic number, because the mean of its divisors is an integer number (22986045).

Almost surely, 2^45972089 is an apocalyptic number.

It is an amenable number.

45972089 is a deficient number, since it is larger than the sum of its proper divisors (1).

45972089 is an equidigital number, since it uses as much as digits as its factorization.

45972089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 45972089 is about 6780.2720446897. The cubic root of 45972089 is about 358.2323039983.

The spelling of 45972089 in words is "forty-five million, nine hundred seventy-two thousand, eighty-nine".