142499964 has 24 divisors (see below), whose sum is σ = 333642960. Its totient is φ = 47336704.

The previous prime is 142499957. The next prime is 142499977. The reversal of 142499964 is 469994241.

142499964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 16749 + ... + 23780.

It is an arithmetic number, because the mean of its divisors is an integer number (13901790).

Almost surely, 2^142499964 is an apocalyptic number.

It is an amenable number.

142499964 is an abundant number, since it is smaller than the sum of its proper divisors (191142996).

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

142499964 is a wasteful number, since it uses less digits than its factorization.

142499964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40829 (or 40827 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 142499964 is about 11937.3348784392. The cubic root of 142499964 is about 522.3219194261.

The spelling of 142499964 in words is "one hundred forty-two million, four hundred ninety-nine thousand, nine hundred sixty-four".