5142238 has 4 divisors (see below), whose sum is σ = 7713360. Its totient is φ = 2571118.

The previous prime is 5142229. The next prime is 5142257. The reversal of 5142238 is 8322415.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5142238² = 52885223297288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285558 + ... + 1285561.

It is an arithmetic number, because the mean of its divisors is an integer number (1928340).

Almost surely, 2^5142238 is an apocalyptic number.

5142238 is a deficient number, since it is larger than the sum of its proper divisors (2571122).

5142238 is a wasteful number, since it uses less digits than its factorization.

5142238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571121.

The product of its digits is 1920, while the sum is 25.

The square root of 5142238 is about 2267.6503257778. The cubic root of 5142238 is about 172.6039477110.

The spelling of 5142238 in words is "five million, one hundred forty-two thousand, two hundred thirty-eight".