142955808 has 48 divisors (see below), whose sum is σ = 377213760. Its totient is φ = 47403776.

The previous prime is 142955767. The next prime is 142955809. The reversal of 142955808 is 808559241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 142955808.

It is not an unprimeable number, because it can be changed into a prime (142955809) 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, 15133 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^142955808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142955808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188606880).

142955808 is an abundant number, since it is smaller than the sum of its proper divisors (234257952).

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

142955808 is a wasteful number, since it uses less digits than its factorization.

142955808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769 (or 7761 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 142955808 is about 11956.4128399784. The cubic root of 142955808 is about 522.8782795190.

The spelling of 142955808 in words is "one hundred forty-two million, nine hundred fifty-five thousand, eight hundred eight".