302142432 has 48 divisors (see below), whose sum is σ = 794565072. Its totient is φ = 100531200.

The previous prime is 302142419. The next prime is 302142443. The reversal of 302142432 is 234241203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 302142399 and 302142408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56682 + ... + 61782.

It is an arithmetic number, because the mean of its divisors is an integer number (16553439).

Almost surely, 2^302142432 is an apocalyptic number.

302142432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

302142432 is an abundant number, since it is smaller than the sum of its proper divisors (492422640).

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

302142432 is a wasteful number, since it uses less digits than its factorization.

302142432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5723 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 302142432 is about 17382.2447342108. The cubic root of 302142432 is about 671.0227433447.

Adding to 302142432 its reverse (234241203), we get a palindrome (536383635).

The spelling of 302142432 in words is "three hundred two million, one hundred forty-two thousand, four hundred thirty-two".