45132242 has 8 divisors (see below), whose sum is σ = 67773132. Its totient is φ = 22541200.

The previous prime is 45132221. The next prime is 45132259. The reversal of 45132242 is 24223154.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40462321 + 4669921 = 6361^2 + 2161^2 .

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, 10109 + ... + 13872.

Almost surely, 2^45132242 is an apocalyptic number.

45132242 is a deficient number, since it is larger than the sum of its proper divisors (22640890).

45132242 is a wasteful number, since it uses less digits than its factorization.

45132242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24924.

The product of its digits is 1920, while the sum is 23.

The square root of 45132242 is about 6718.0534383108. The cubic root of 45132242 is about 356.0374124297.

Adding to 45132242 its reverse (24223154), we get a palindrome (69355396).

The spelling of 45132242 in words is "forty-five million, one hundred thirty-two thousand, two hundred forty-two".