142494000 has 320 divisors, whose sum is σ = 534822912. Its totient is φ = 32256000.

The previous prime is 142493969. The next prime is 142494013. The reversal of 142494000 is 494241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1121937 + ... + 1122063.

Almost surely, 2^142494000 is an apocalyptic number.

142494000 is a gapful number since it is divisible by the number (10) 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 142494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267411456).

142494000 is an abundant number, since it is smaller than the sum of its proper divisors (392328912).

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

142494000 is a wasteful number, since it uses less digits than its factorization.

142494000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142494000 is about 11937.0850713229. The cubic root of 142494000 is about 522.3146324737.

The spelling of 142494000 in words is "one hundred forty-two million, four hundred ninety-four thousand".