142974468 has 144 divisors (see below), whose sum is σ = 468424320. Its totient is φ = 35707392.

The previous prime is 142974467. The next prime is 142974473. The reversal of 142974468 is 864479241.

It is not an unprimeable number, because it can be changed into a prime (142974467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61096 + ... + 63392.

Almost surely, 2^142974468 is an apocalyptic number.

142974468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142974468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234212160).

142974468 is an abundant number, since it is smaller than the sum of its proper divisors (325449852).

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

142974468 is a wasteful number, since it uses less digits than its factorization.

142974468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2341 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 142974468 is about 11957.1931488958. The cubic root of 142974468 is about 522.9010289368.

The spelling of 142974468 in words is "one hundred forty-two million, nine hundred seventy-four thousand, four hundred sixty-eight".