253430142 has 32 divisors (see below), whose sum is σ = 584692992. Its totient is φ = 71730624.

The previous prime is 253430087. The next prime is 253430167. The reversal of 253430142 is 241034352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23703 + ... + 32690.

It is an arithmetic number, because the mean of its divisors is an integer number (18271656).

Almost surely, 2^253430142 is an apocalyptic number.

253430142 is an abundant number, since it is smaller than the sum of its proper divisors (331262850).

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

253430142 is a wasteful number, since it uses less digits than its factorization.

253430142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56512.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253430142 is about 15919.4893762331. The cubic root of 253430142 is about 632.8285862663.

Adding to 253430142 its reverse (241034352), we get a palindrome (494464494).

The spelling of 253430142 in words is "two hundred fifty-three million, four hundred thirty thousand, one hundred forty-two".