142696420 has 24 divisors (see below), whose sum is σ = 307763064. Its totient is φ = 55535616.

The previous prime is 142696391. The next prime is 142696429. The reversal of 142696420 is 24696241.

It can be written as a sum of positive squares in 4 ways, for example, as 3833764 + 138862656 = 1958^2 + 11784^2 .

It is not an unprimeable number, because it can be changed into a prime (142696429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95677 + ... + 97156.

It is an arithmetic number, because the mean of its divisors is an integer number (12823461).

Almost surely, 2^142696420 is an apocalyptic number.

142696420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142696420 is an abundant number, since it is smaller than the sum of its proper divisors (165066644).

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

142696420 is a wasteful number, since it uses less digits than its factorization.

142696420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192879 (or 192877 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 142696420 is about 11945.5606816926. The cubic root of 142696420 is about 522.5618403184.

The spelling of 142696420 in words is "one hundred forty-two million, six hundred ninety-six thousand, four hundred twenty".