45429889 has 2 divisors, whose sum is σ = 45429890. Its totient is φ = 45429888.

The previous prime is 45429833. The next prime is 45429919. The reversal of 45429889 is 98892454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38539264 + 6890625 = 6208^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 45429889 - 2¹³ = 45421697 is a prime.

It is not a weakly prime, because it can be changed into another prime (45429809) 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 as a sum of consecutive naturals, namely, 22714944 + 22714945.

It is an arithmetic number, because the mean of its divisors is an integer number (22714945).

Almost surely, 2^45429889 is an apocalyptic number.

It is an amenable number.

45429889 is a deficient number, since it is larger than the sum of its proper divisors (1).

45429889 is an equidigital number, since it uses as much as digits as its factorization.

45429889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 49.

The square root of 45429889 is about 6740.1698049827. The cubic root of 45429889 is about 356.8183866508.

The spelling of 45429889 in words is "forty-five million, four hundred twenty-nine thousand, eight hundred eighty-nine".