45473340 has 48 divisors (see below), whose sum is σ = 138902400. Its totient is φ = 11023680.

The previous prime is 45473303. The next prime is 45473341. The reversal of 45473340 is 4337454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 45473298 and 45473307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45473341) 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, 33790 + ... + 35109.

It is an arithmetic number, because the mean of its divisors is an integer number (2893800).

Almost surely, 2^45473340 is an apocalyptic number.

It is an amenable number.

45473340 is an abundant number, since it is smaller than the sum of its proper divisors (93429060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45473340 is a wasteful number, since it uses less digits than its factorization.

45473340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68922 (or 68920 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 45473340 is about 6743.3923213765. The cubic root of 45473340 is about 356.9321089583.

It can be divided in two parts, 4547 and 3340, that added together give a palindrome (7887).

The spelling of 45473340 in words is "forty-five million, four hundred seventy-three thousand, three hundred forty".