5142644 has 12 divisors (see below), whose sum is σ = 9692004. Its totient is φ = 2373504.

The previous prime is 5142637. The next prime is 5142647. The reversal of 5142644 is 4462415.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 3610000 = 1238^2 + 1900^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49397 + ... + 49500.

It is an arithmetic number, because the mean of its divisors is an integer number (807667).

Almost surely, 2^5142644 is an apocalyptic number.

It is an amenable number.

5142644 is a deficient number, since it is larger than the sum of its proper divisors (4549360).

5142644 is a wasteful number, since it uses less digits than its factorization.

5142644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98914 (or 98912 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 5142644 is about 2267.7398439856. The cubic root of 5142644 is about 172.6084901792.

The spelling of 5142644 in words is "five million, one hundred forty-two thousand, six hundred forty-four".