142484454 has 48 divisors (see below), whose sum is σ = 368334000. Its totient is φ = 40709088.

The previous prime is 142484449. The next prime is 142484509. The reversal of 142484454 is 454484241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24279 + ... + 29570.

It is an arithmetic number, because the mean of its divisors is an integer number (7673625).

Almost surely, 2^142484454 is an apocalyptic number.

142484454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142484454 is an abundant number, since it is smaller than the sum of its proper divisors (225849546).

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

142484454 is a wasteful number, since it uses less digits than its factorization.

142484454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53874 (or 53861 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

The square root of 142484454 is about 11936.6852182673. The cubic root of 142484454 is about 522.3029685280.

The spelling of 142484454 in words is "one hundred forty-two million, four hundred eighty-four thousand, four hundred fifty-four".