142698556 has 96 divisors (see below), whose sum is σ = 338913792. Its totient is φ = 50768640.

The previous prime is 142698503. The next prime is 142698571. The reversal of 142698556 is 655896241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628515 + ... + 628741.

It is an arithmetic number, because the mean of its divisors is an integer number (3530352).

Almost surely, 2^142698556 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 142698556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169456896).

142698556 is an abundant number, since it is smaller than the sum of its proper divisors (196215236).

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

142698556 is a wasteful number, since it uses less digits than its factorization.

142698556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 142698556 is about 11945.6500869563. The cubic root of 142698556 is about 522.5644476871.

The spelling of 142698556 in words is "one hundred forty-two million, six hundred ninety-eight thousand, five hundred fifty-six".