142955802 has 48 divisors (see below), whose sum is σ = 342688320. Its totient is φ = 42705600.

The previous prime is 142955767. The next prime is 142955809. The reversal of 142955802 is 208559241.

It is a super-2 number, since 2×142955802² = 40872722650926408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142955809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8974 + ... + 19142.

It is an arithmetic number, because the mean of its divisors is an integer number (7139340).

Almost surely, 2^142955802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142955802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171344160).

142955802 is an abundant number, since it is smaller than the sum of its proper divisors (199732518).

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

142955802 is a wasteful number, since it uses less digits than its factorization.

142955802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10259 (or 10256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 142955802 is about 11956.4125890670. The cubic root of 142955802 is about 522.8782722038.

The spelling of 142955802 in words is "one hundred forty-two million, nine hundred fifty-five thousand, eight hundred two".