142500564938 has 4 divisors (see below), whose sum is σ = 213750847410. Its totient is φ = 71250282468.

The previous prime is 142500564937. The next prime is 142500564979. The reversal of 142500564938 is 839465005241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839465005241 = 131 ⋅6408129811.

It can be written as a sum of positive squares in only one way, i.e., 85700806009 + 56799758929 = 292747^2 + 238327^2 .

It is a super-2 number, since 2×142500564938² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142500564892 and 142500564901.

It is not an unprimeable number, because it can be changed into a prime (142500564937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35625141233 + ... + 35625141236.

Almost surely, 2^142500564938 is an apocalyptic number.

142500564938 is a deficient number, since it is larger than the sum of its proper divisors (71250282472).

142500564938 is an equidigital number, since it uses as much as digits as its factorization.

142500564938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71250282471.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 142500564938 in words is "one hundred forty-two billion, five hundred million, five hundred sixty-four thousand, nine hundred thirty-eight".