142918550 has 24 divisors (see below), whose sum is σ = 277388496. Its totient is φ = 54681440.

The previous prime is 142918487. The next prime is 142918553. The reversal of 142918550 is 55819241.

142918550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 142918550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142918553) 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 11 ways as a sum of consecutive naturals, for example, 60989 + ... + 63288.

It is an arithmetic number, because the mean of its divisors is an integer number (11557854).

Almost surely, 2^142918550 is an apocalyptic number.

142918550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142918550 is a deficient number, since it is larger than the sum of its proper divisors (134469946).

142918550 is a wasteful number, since it uses less digits than its factorization.

142918550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124312 (or 124307 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 142918550 is about 11954.8546624373. The cubic root of 142918550 is about 522.8328503478.

The spelling of 142918550 in words is "one hundred forty-two million, nine hundred eighteen thousand, five hundred fifty".