142323477746 has 4 divisors (see below), whose sum is σ = 213485216622. Its totient is φ = 71161738872.

The previous prime is 142323477719. The next prime is 142323477749. The reversal of 142323477746 is 647774323241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139842342025 + 2481135721 = 373955^2 + 49811^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142323477694 and 142323477703.

It is not an unprimeable number, because it can be changed into a prime (142323477749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35580869435 + ... + 35580869438.

Almost surely, 2^142323477746 is an apocalyptic number.

142323477746 is a deficient number, since it is larger than the sum of its proper divisors (71161738876).

142323477746 is an equidigital number, since it uses as much as digits as its factorization.

142323477746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71161738875.

The product of its digits is 4741632, while the sum is 50.

The spelling of 142323477746 in words is "one hundred forty-two billion, three hundred twenty-three million, four hundred seventy-seven thousand, seven hundred forty-six".