45312471 has 24 divisors (see below), whose sum is σ = 68250000. Its totient is φ = 28933632.

The previous prime is 45312469. The next prime is 45312479. The reversal of 45312471 is 17421354.

It is not a de Polignac number, because 45312471 - 2¹ = 45312469 is a prime.

It is a super-3 number, since 3×45312471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35655 + ... + 36903.

It is an arithmetic number, because the mean of its divisors is an integer number (2843750).

Almost surely, 2^45312471 is an apocalyptic number.

45312471 is a deficient number, since it is larger than the sum of its proper divisors (22937529).

45312471 is a wasteful number, since it uses less digits than its factorization.

45312471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1420 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 45312471 is about 6731.4538548519. The cubic root of 45312471 is about 356.5107107300.

The spelling of 45312471 in words is "forty-five million, three hundred twelve thousand, four hundred seventy-one".