142906824 has 24 divisors (see below), whose sum is σ = 387039510. Its totient is φ = 47635584.

The previous prime is 142906801. The next prime is 142906831. The reversal of 142906824 is 428609241.

It can be written as a sum of positive squares in only one way, i.e., 107122500 + 35784324 = 10350^2 + 5982^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992337 + ... + 992480.

Almost surely, 2^142906824 is an apocalyptic number.

It is an amenable number.

142906824 is an abundant number, since it is smaller than the sum of its proper divisors (244132686).

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

142906824 is a wasteful number, since it uses less digits than its factorization.

142906824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984829 (or 1984822 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 142906824 is about 11954.3642239979. The cubic root of 142906824 is about 522.8185510478.

The spelling of 142906824 in words is "one hundred forty-two million, nine hundred six thousand, eight hundred twenty-four".