142894024 has 64 divisors (see below), whose sum is σ = 331309440. Its totient is φ = 56263680.

The previous prime is 142894013. The next prime is 142894033. The reversal of 142894024 is 420498241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240672 + ... + 241264.

It is an arithmetic number, because the mean of its divisors is an integer number (5176710).

Almost surely, 2^142894024 is an apocalyptic number.

142894024 is a gapful number since it is divisible by the number (14) 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 142894024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165654720).

142894024 is an abundant number, since it is smaller than the sum of its proper divisors (188415416).

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

142894024 is a wasteful number, since it uses less digits than its factorization.

142894024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 142894024 is about 11953.8288426763. The cubic root of 142894024 is about 522.8029411628.

The spelling of 142894024 in words is "one hundred forty-two million, eight hundred ninety-four thousand, twenty-four".