142988540 has 24 divisors (see below), whose sum is σ = 300963600. Its totient is φ = 57064448.

The previous prime is 142988537. The next prime is 142988551. The reversal of 142988540 is 45889241.

142988540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (12540150).

Almost surely, 2^142988540 is an apocalyptic number.

142988540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142988540 is an abundant number, since it is smaller than the sum of its proper divisors (157975060).

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

142988540 is a wasteful number, since it uses less digits than its factorization.

142988540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381 (or 16379 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 142988540 is about 11957.7815668292. The cubic root of 142988540 is about 522.9181835659.

The spelling of 142988540 in words is "one hundred forty-two million, nine hundred eighty-eight thousand, five hundred forty".