45147340 has 48 divisors (see below), whose sum is σ = 108763200. Its totient is φ = 15420672.

The previous prime is 45147337. The next prime is 45147341. The reversal of 45147340 is 4374154.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 45147299 and 45147308.

It is not an unprimeable number, because it can be changed into a prime (45147341) 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, 54046 + ... + 54874.

It is an arithmetic number, because the mean of its divisors is an integer number (2265900).

Almost surely, 2^45147340 is an apocalyptic number.

It is an amenable number.

45147340 is an abundant number, since it is smaller than the sum of its proper divisors (63615860).

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

45147340 is a wasteful number, since it uses less digits than its factorization.

45147340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 45147340 is about 6719.1770329409. The cubic root of 45147340 is about 356.0771095015.

The spelling of 45147340 in words is "forty-five million, one hundred forty-seven thousand, three hundred forty".