45033389 has 2 divisors, whose sum is σ = 45033390. Its totient is φ = 45033388.

The previous prime is 45033361. The next prime is 45033413. The reversal of 45033389 is 98333054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43428100 + 1605289 = 6590^2 + 1267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45033389 is a prime.

It is a super-2 number, since 2×45033389² = 4056012249650642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45033689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22516694 + 22516695.

It is an arithmetic number, because the mean of its divisors is an integer number (22516695).

Almost surely, 2^45033389 is an apocalyptic number.

It is an amenable number.

45033389 is a deficient number, since it is larger than the sum of its proper divisors (1).

45033389 is an equidigital number, since it uses as much as digits as its factorization.

45033389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 45033389 is about 6710.6921401596. The cubic root of 45033389 is about 355.7772798934. Note that the first 3 decimals are identical.

The spelling of 45033389 in words is "forty-five million, thirty-three thousand, three hundred eighty-nine".