45240730 has 16 divisors (see below), whose sum is σ = 83327904. Its totient is φ = 17675280.

The previous prime is 45240709. The next prime is 45240731. The reversal of 45240730 is 3704254.

It is a junction number, because it is equal to n+sod(n) for n = 45240695 and 45240704.

It is not an unprimeable number, because it can be changed into a prime (45240731) 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, 52176 + ... + 53035.

It is an arithmetic number, because the mean of its divisors is an integer number (5207994).

Almost surely, 2^45240730 is an apocalyptic number.

45240730 is a deficient number, since it is larger than the sum of its proper divisors (38087174).

45240730 is a wasteful number, since it uses less digits than its factorization.

45240730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105261.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 45240730 is about 6726.1229545705. The cubic root of 45240730 is about 356.3224627400.

Adding to 45240730 its reverse (3704254), we get a palindrome (48944984).

The spelling of 45240730 in words is "forty-five million, two hundred forty thousand, seven hundred thirty".