142968894 has 32 divisors (see below), whose sum is σ = 296634624. Its totient is φ = 45904320.

The previous prime is 142968893. The next prime is 142968899. The reversal of 142968894 is 498869241.

It is a super-3 number, since 3×142968894³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142968893) by changing a digit.

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, 15039 + ... + 22629.

It is an arithmetic number, because the mean of its divisors is an integer number (9269832).

Almost surely, 2^142968894 is an apocalyptic number.

142968894 is an abundant number, since it is smaller than the sum of its proper divisors (153665730).

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

142968894 is a wasteful number, since it uses less digits than its factorization.

142968894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712.

The product of its digits is 995328, while the sum is 51.

The square root of 142968894 is about 11956.9600651671. The cubic root of 142968894 is about 522.8942335785.

The spelling of 142968894 in words is "one hundred forty-two million, nine hundred sixty-eight thousand, eight hundred ninety-four".