142696661352 has 64 divisors (see below), whose sum is σ = 431687387520. Its totient is φ = 38372210688.

The previous prime is 142696661333. The next prime is 142696661363. The reversal of 142696661352 is 253166696241.

It is a super-2 number, since 2×142696661352² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 142696661295 and 142696661304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24979053 + ... + 24984764.

It is an arithmetic number, because the mean of its divisors is an integer number (6745115430).

Almost surely, 2^142696661352 is an apocalyptic number.

142696661352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142696661352 is an abundant number, since it is smaller than the sum of its proper divisors (288990726168).

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

142696661352 is a wasteful number, since it uses less digits than its factorization.

142696661352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49963850 (or 49963846 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 51.

The spelling of 142696661352 in words is "one hundred forty-two billion, six hundred ninety-six million, six hundred sixty-one thousand, three hundred fifty-two".