142990848 has 480 divisors, whose sum is σ = 571963392. Its totient is φ = 33177600.

The previous prime is 142990787. The next prime is 142990877. The reversal of 142990848 is 848099241.

It is a harmonic number, since the harmonic mean of its divisors is an integer.

142990848 is an admirable number.

It is a super-2 number, since 2×142990848² = 40892765223518208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4612593 + ... + 4612623.

Almost surely, 2^142990848 is an apocalyptic number.

142990848 is a gapful number since it is divisible by the number (18) 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 142990848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285981696).

142990848 is an abundant number, since it is smaller than the sum of its proper divisors (428972544).

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

142990848 is a wasteful number, since it uses less digits than its factorization.

142990848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 142990848 is about 11957.8780726348. The cubic root of 142990848 is about 522.9209970517.

The spelling of 142990848 in words is "one hundred forty-two million, nine hundred ninety thousand, eight hundred forty-eight".