45069389 has 4 divisors (see below), whose sum is σ = 45283200. Its totient is φ = 44855580.

The previous prime is 45069377. The next prime is 45069391. The reversal of 45069389 is 98396054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98396054 = 2 ⋅49198027.

It is a cyclic number.

It is not a de Polignac number, because 45069389 - 2²⁰ = 44020813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48069389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106589 + ... + 107010.

It is an arithmetic number, because the mean of its divisors is an integer number (11320800).

Almost surely, 2^45069389 is an apocalyptic number.

It is an amenable number.

45069389 is a deficient number, since it is larger than the sum of its proper divisors (213811).

45069389 is a wasteful number, since it uses less digits than its factorization.

45069389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213810.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 45069389 is about 6713.3738909732. The cubic root of 45069389 is about 355.8720582415.

The spelling of 45069389 in words is "forty-five million, sixty-nine thousand, three hundred eighty-nine".