142198656 has 64 divisors (see below), whose sum is σ = 383422080. Its totient is φ = 46683648.

The previous prime is 142198649. The next prime is 142198669. The reversal of 142198656 is 656891241.

It is a tau number, because it is divible by the number of its divisors (64).

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, 22965 + ... + 28491.

It is an arithmetic number, because the mean of its divisors is an integer number (5990970).

Almost surely, 2^142198656 is an apocalyptic number.

142198656 is a gapful number since it is divisible by the number (16) 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 142198656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191711040).

142198656 is an abundant number, since it is smaller than the sum of its proper divisors (241223424).

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

142198656 is an equidigital number, since it uses as much as digits as its factorization.

142198656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611 (or 5599 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 142198656 is about 11924.7077951621. The cubic root of 142198656 is about 521.9535197380.

The spelling of 142198656 in words is "one hundred forty-two million, one hundred ninety-eight thousand, six hundred fifty-six".