252145253134 has 8 divisors (see below), whose sum is σ = 378289136520. Its totient is φ = 126048874296.

The previous prime is 252145253131. The next prime is 252145253149. The reversal of 252145253134 is 431352541252.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 252145253093 and 252145253102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252145253131) 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, 11862864 + ... + 11884099.

It is an arithmetic number, because the mean of its divisors is an integer number (47286142065).

Almost surely, 2^252145253134 is an apocalyptic number.

252145253134 is a deficient number, since it is larger than the sum of its proper divisors (126143883386).

252145253134 is a wasteful number, since it uses less digits than its factorization.

252145253134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752274.

The product of its digits is 144000, while the sum is 37.

Adding to 252145253134 its reverse (431352541252), we get a palindrome (683497794386).

The spelling of 252145253134 in words is "two hundred fifty-two billion, one hundred forty-five million, two hundred fifty-three thousand, one hundred thirty-four".