45418493 has 6 divisors (see below), whose sum is σ = 47935134. Its totient is φ = 43027704.

The previous prime is 45418469. The next prime is 45418517. The reversal of 45418493 is 39481454.

It is an interprime number because it is at equal distance from previous prime (45418469) and next prime (45418517).

It can be written as a sum of positive squares in only one way, i.e., 24970009 + 20448484 = 4997^2 + 4522^2 .

It is not a de Polignac number, because 45418493 - 2¹⁰ = 45417469 is a prime.

It is a Duffinian 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 (45418453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62546 + ... + 63267.

It is an arithmetic number, because the mean of its divisors is an integer number (7989189).

Almost surely, 2^45418493 is an apocalyptic number.

It is an amenable number.

45418493 is a deficient number, since it is larger than the sum of its proper divisors (2516641).

45418493 is a wasteful number, since it uses less digits than its factorization.

45418493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125851 (or 125832 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 45418493 is about 6739.3243726653. The cubic root of 45418493 is about 356.7885484211.

The spelling of 45418493 in words is "forty-five million, four hundred eighteen thousand, four hundred ninety-three".