142838802 has 42 divisors (see below), whose sum is σ = 322269957. Its totient is φ = 47460816.

The previous prime is 142838791. The next prime is 142838831. The reversal of 142838802 is 208838241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82791801 + 60047001 = 9099^2 + 7749^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8451.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 456198 + ... + 456510.

Almost surely, 2^142838802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142838802

142838802 is an abundant number, since it is smaller than the sum of its proper divisors (179431155).

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

142838802 is an frugal number, since it uses more digits than its factorization.

142838802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 142838802 is about 11951.5188156150. The cubic root of 142838802 is about 522.7355860162.

The spelling of 142838802 in words is "one hundred forty-two million, eight hundred thirty-eight thousand, eight hundred two".