142819629885 has 24 divisors (see below), whose sum is σ = 255539641344. Its totient is φ = 73713356640.

The previous prime is 142819629857. The next prime is 142819629899. The reversal of 142819629885 is 588926918241.

It is a de Polignac number, because none of the positive numbers 2^k-142819629885 is a prime.

It is a super-2 number, since 2×142819629885² (a number of 23 digits) 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 23 ways as a sum of consecutive naturals, for example, 51188437 + ... + 51191226.

It is an arithmetic number, because the mean of its divisors is an integer number (10647485056).

Almost surely, 2^142819629885 is an apocalyptic number.

142819629885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142819629885 is a deficient number, since it is larger than the sum of its proper divisors (112720011459).

142819629885 is a wasteful number, since it uses less digits than its factorization.

142819629885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102379705 (or 102379702 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 63.

The spelling of 142819629885 in words is "one hundred forty-two billion, eight hundred nineteen million, six hundred twenty-nine thousand, eight hundred eighty-five".