45240242 has 8 divisors (see below), whose sum is σ = 68494896. Its totient is φ = 22408612.

The previous prime is 45240211. The next prime is 45240259. The reversal of 45240242 is 24204254.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105488 + ... + 105915.

It is an arithmetic number, because the mean of its divisors is an integer number (8561862).

Almost surely, 2^45240242 is an apocalyptic number.

45240242 is a deficient number, since it is larger than the sum of its proper divisors (23254654).

45240242 is a wasteful number, since it uses less digits than its factorization.

45240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211512.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 45240242 is about 6726.0866780023. The cubic root of 45240242 is about 356.3211815495.

Adding to 45240242 its reverse (24204254), we get a palindrome (69444496).

The spelling of 45240242 in words is "forty-five million, two hundred forty thousand, two hundred forty-two".