45519693 has 16 divisors (see below), whose sum is σ = 64613376. Its totient is φ = 28405760.

The previous prime is 45519689. The next prime is 45519697. The reversal of 45519693 is 39691554.

It is an interprime number because it is at equal distance from previous prime (45519689) and next prime (45519697).

It is a cyclic number.

It is not a de Polignac number, because 45519693 - 2² = 45519689 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45519697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7405 + ... + 12077.

It is an arithmetic number, because the mean of its divisors is an integer number (4038336).

Almost surely, 2^45519693 is an apocalyptic number.

It is an amenable number.

45519693 is a deficient number, since it is larger than the sum of its proper divisors (19093683).

45519693 is a wasteful number, since it uses less digits than its factorization.

45519693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its digits is 145800, while the sum is 42.

The square root of 45519693 is about 6746.8283659806. The cubic root of 45519693 is about 357.0533467032.

The spelling of 45519693 in words is "forty-five million, five hundred nineteen thousand, six hundred ninety-three".