142898964 has 72 divisors (see below), whose sum is σ = 372863232. Its totient is φ = 42531840.

The previous prime is 142898963. The next prime is 142898999. The reversal of 142898964 is 469898241.

It is a super-2 number, since 2×142898964² = 40840227824546592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142898963) 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 23 ways as a sum of consecutive naturals, for example, 61732 + ... + 64004.

It is an arithmetic number, because the mean of its divisors is an integer number (5178656).

Almost surely, 2^142898964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142898964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186431616).

142898964 is an abundant number, since it is smaller than the sum of its proper divisors (229964268).

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

142898964 is a wasteful number, since it uses less digits than its factorization.

142898964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2322 counting only the distinct ones).

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

The square root of 142898964 is about 11954.0354692464. The cubic root of 142898964 is about 522.8089657132.

The spelling of 142898964 in words is "one hundred forty-two million, eight hundred ninety-eight thousand, nine hundred sixty-four".