142254918 has 48 divisors (see below), whose sum is σ = 343390320. Its totient is φ = 42259392.

The previous prime is 142254911. The next prime is 142254941. The reversal of 142254918 is 819452241.

142254918 is a `hidden beast` number, since 142 + 25 + 491 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142254911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3696 + ... + 17267.

It is an arithmetic number, because the mean of its divisors is an integer number (7153965).

Almost surely, 2^142254918 is an apocalyptic number.

142254918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

142254918 is an abundant number, since it is smaller than the sum of its proper divisors (201135402).

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

142254918 is a wasteful number, since it uses less digits than its factorization.

142254918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21013 (or 21010 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 142254918 is about 11927.0666133798. The cubic root of 142254918 is about 522.0223489793.

The spelling of 142254918 in words is "one hundred forty-two million, two hundred fifty-four thousand, nine hundred eighteen".