142894512 has 60 divisors (see below), whose sum is σ = 409676904. Its totient is φ = 46467840.

The previous prime is 142894511. The next prime is 142894567. The reversal of 142894512 is 215498241.

142894512 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (142894511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6198 + ... + 18005.

Almost surely, 2^142894512 is an apocalyptic number.

142894512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142894512 is an abundant number, since it is smaller than the sum of its proper divisors (266782392).

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

142894512 is a wasteful number, since it uses less digits than its factorization.

142894512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24258 (or 24249 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 142894512 is about 11953.8492545289. The cubic root of 142894512 is about 522.8035363068.

The spelling of 142894512 in words is "one hundred forty-two million, eight hundred ninety-four thousand, five hundred twelve".