142734984 has 64 divisors (see below), whose sum is σ = 421891200. Its totient is φ = 39373824.

The previous prime is 142734979. The next prime is 142735003. The reversal of 142734984 is 489437241.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 9777 + ... + 19520.

It is an arithmetic number, because the mean of its divisors is an integer number (6592050).

Almost surely, 2^142734984 is an apocalyptic number.

142734984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142734984 is an abundant number, since it is smaller than the sum of its proper divisors (279156216).

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

142734984 is a wasteful number, since it uses less digits than its factorization.

142734984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29342 (or 29338 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 142734984 is about 11947.1747287800. The cubic root of 142734984 is about 522.6089105479.

The spelling of 142734984 in words is "one hundred forty-two million, seven hundred thirty-four thousand, nine hundred eighty-four".