1302143142 has 32 divisors (see below), whose sum is σ = 2617401600. Its totient is φ = 431869088.

The previous prime is 1302143113. The next prime is 1302143153. The reversal of 1302143142 is 2413412031.

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, 1975609 + ... + 1976267.

It is an arithmetic number, because the mean of its divisors is an integer number (81793800).

Almost surely, 2^1302143142 is an apocalyptic number.

1302143142 is an abundant number, since it is smaller than the sum of its proper divisors (1315258458).

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

1302143142 is a wasteful number, since it uses less digits than its factorization.

1302143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1302143142 is about 36085.2205480305. The cubic root of 1302143142 is about 1091.9922999229.

Adding to 1302143142 its reverse (2413412031), we get a palindrome (3715555173).

The spelling of 1302143142 in words is "one billion, three hundred two million, one hundred forty-three thousand, one hundred forty-two".