45432442 has 8 divisors (see below), whose sum is σ = 74344032. Its totient is φ = 20651100.

The previous prime is 45432407. The next prime is 45432493. The reversal of 45432442 is 24423454.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45432442.

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, 1032534 + ... + 1032577.

It is an arithmetic number, because the mean of its divisors is an integer number (9293004).

Almost surely, 2^45432442 is an apocalyptic number.

45432442 is a deficient number, since it is larger than the sum of its proper divisors (28911590).

45432442 is a wasteful number, since it uses less digits than its factorization.

45432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065124.

The product of its digits is 15360, while the sum is 28.

The square root of 45432442 is about 6740.3591892421. The cubic root of 45432442 is about 356.8250705051.

Adding to 45432442 its reverse (24423454), we get a palindrome (69855896).

It can be divided in two parts, 454 and 32442, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 45432442 in words is "forty-five million, four hundred thirty-two thousand, four hundred forty-two".