45471493 has 8 divisors (see below), whose sum is σ = 46428768. Its totient is φ = 44522544.

The previous prime is 45471473. The next prime is 45471497. The reversal of 45471493 is 39417454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45471493 - 2²¹ = 43374341 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 (45471497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9630 + ... + 13552.

It is an arithmetic number, because the mean of its divisors is an integer number (5803596).

Almost surely, 2^45471493 is an apocalyptic number.

It is an amenable number.

45471493 is a deficient number, since it is larger than the sum of its proper divisors (957275).

45471493 is a wasteful number, since it uses less digits than its factorization.

45471493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163.

The product of its digits is 60480, while the sum is 37.

The square root of 45471493 is about 6743.2553711097. The cubic root of 45471493 is about 356.9272763646.

The spelling of 45471493 in words is "forty-five million, four hundred seventy-one thousand, four hundred ninety-three".