45405693 has 6 divisors (see below), whose sum is σ = 65586014. Its totient is φ = 30270456.

The previous prime is 45405667. The next prime is 45405709. The reversal of 45405693 is 39650454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40220964 + 5184729 = 6342^2 + 2277^2 .

It is not a de Polignac number, because 45405693 - 2⁶ = 45405629 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 (45405643) 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 in 5 ways as a sum of consecutive naturals, for example, 2522530 + ... + 2522547.

Almost surely, 2^45405693 is an apocalyptic number.

It is an amenable number.

45405693 is a deficient number, since it is larger than the sum of its proper divisors (20180321).

45405693 is a wasteful number, since it uses less digits than its factorization.

45405693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045083 (or 5045080 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 45405693 is about 6738.3746556570. The cubic root of 45405693 is about 356.7550281359.

The spelling of 45405693 in words is "forty-five million, four hundred five thousand, six hundred ninety-three".