142933486 has 16 divisors (see below), whose sum is σ = 219469824. Its totient is φ = 69784024.

The previous prime is 142933481. The next prime is 142933487. The reversal of 142933486 is 684339241.

It is a happy number.

It is a super-2 number, since 2×142933486² = 40859962840224392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142933481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45771 + ... + 48793.

It is an arithmetic number, because the mean of its divisors is an integer number (13716864).

Almost surely, 2^142933486 is an apocalyptic number.

142933486 is a deficient number, since it is larger than the sum of its proper divisors (76536338).

142933486 is a wasteful number, since it uses less digits than its factorization.

142933486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 124416, while the sum is 40.

The square root of 142933486 is about 11955.4793295794. The cubic root of 142933486 is about 522.8510629578.

The spelling of 142933486 in words is "one hundred forty-two million, nine hundred thirty-three thousand, four hundred eighty-six".