142741638498 has 64 divisors (see below), whose sum is σ = 293549034240. Its totient is φ = 46245427200.

The previous prime is 142741638421. The next prime is 142741638499. The reversal of 142741638498 is 894836147241.

It is a super-2 number, since 2×142741638498² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142741638499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110054586 + ... + 110055882.

It is an arithmetic number, because the mean of its divisors is an integer number (4586703660).

Almost surely, 2^142741638498 is an apocalyptic number.

142741638498 is an abundant number, since it is smaller than the sum of its proper divisors (150807395742).

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

142741638498 is a wasteful number, since it uses less digits than its factorization.

142741638498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 9289728, while the sum is 57.

The spelling of 142741638498 in words is "one hundred forty-two billion, seven hundred forty-one million, six hundred thirty-eight thousand, four hundred ninety-eight".