142768424 has 16 divisors (see below), whose sum is σ = 271687200. Its totient is φ = 70318512.

The previous prime is 142768393. The next prime is 142768427. The reversal of 142768424 is 424867241.

It is not an unprimeable number, because it can be changed into a prime (142768427) 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, 132644 + ... + 133715.

It is an arithmetic number, because the mean of its divisors is an integer number (16980450).

Almost surely, 2^142768424 is an apocalyptic number.

It is an amenable number.

142768424 is a deficient number, since it is larger than the sum of its proper divisors (128918776).

142768424 is a wasteful number, since it uses less digits than its factorization.

142768424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266432 (or 266428 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 142768424 is about 11948.5741408756. The cubic root of 142768424 is about 522.6497196915.

The spelling of 142768424 in words is "one hundred forty-two million, seven hundred sixty-eight thousand, four hundred twenty-four".