5142312 has 128 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 1384128.

The previous prime is 5142289. The next prime is 5142323. The reversal of 5142312 is 2132415.

5142312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28639 + ... + 28817.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

Almost surely, 2^5142312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5142312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640000).

5142312 is an abundant number, since it is smaller than the sum of its proper divisors (12137688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5142312 is a wasteful number, since it uses less digits than its factorization.

5142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 210 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5142312 is about 2267.6666421677. Note that the first 4 decimals coincide. The cubic root of 5142312 is about 172.6047756664.

Adding to 5142312 its reverse (2132415), we get a palindrome (7274727).

The spelling of 5142312 in words is "five million, one hundred forty-two thousand, three hundred twelve".