402300142 has 4 divisors (see below), whose sum is σ = 603450216. Its totient is φ = 201150070.

The previous prime is 402300127. The next prime is 402300163. The reversal of 402300142 is 241003204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100575034 + ... + 100575037.

It is an arithmetic number, because the mean of its divisors is an integer number (150862554).

Almost surely, 2^402300142 is an apocalyptic number.

402300142 is a deficient number, since it is larger than the sum of its proper divisors (201150074).

402300142 is a wasteful number, since it uses less digits than its factorization.

402300142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201150073.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 402300142 is about 20057.4211203734. The cubic root of 402300142 is about 738.2159005324.

Adding to 402300142 its reverse (241003204), we get a palindrome (643303346).

The spelling of 402300142 in words is "four hundred two million, three hundred thousand, one hundred forty-two".