5145442 has 16 divisors (see below), whose sum is σ = 8186112. Its totient is φ = 2421360.

The previous prime is 5145433. The next prime is 5145463. The reversal of 5145442 is 2445415.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173 + ... + 3415.

It is an arithmetic number, because the mean of its divisors is an integer number (511632).

Almost surely, 2^5145442 is an apocalyptic number.

5145442 is a deficient number, since it is larger than the sum of its proper divisors (3040670).

5145442 is a wasteful number, since it uses less digits than its factorization.

5145442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its digits is 3200, while the sum is 25.

The square root of 5145442 is about 2268.3566738941. The cubic root of 5145442 is about 172.6397886704.

The spelling of 5145442 in words is "five million, one hundred forty-five thousand, four hundred forty-two".