142955850 has 24 divisors (see below), whose sum is σ = 354530880. Its totient is φ = 38121520.

The previous prime is 142955821. The next prime is 142955881. The reversal of 142955850 is 58559241.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142955799 and 142955808.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 476370 + ... + 476669.

It is an arithmetic number, because the mean of its divisors is an integer number (14772120).

Almost surely, 2^142955850 is an apocalyptic number.

142955850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142955850 is an abundant number, since it is smaller than the sum of its proper divisors (211575030).

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

142955850 is a wasteful number, since it uses less digits than its factorization.

142955850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953054 (or 953049 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 142955850 is about 11956.4145963579. The cubic root of 142955850 is about 522.8783307257.

The spelling of 142955850 in words is "one hundred forty-two million, nine hundred fifty-five thousand, eight hundred fifty".