142973914 has 4 divisors (see below), whose sum is σ = 214460874. Its totient is φ = 71486956.

The previous prime is 142973903. The next prime is 142973939. The reversal of 142973914 is 419379241.

142973914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 419379241 = 9343 ⋅44887.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 28804689 = 10685^2 + 5367^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35743477 + ... + 35743480.

Almost surely, 2^142973914 is an apocalyptic number.

142973914 is a deficient number, since it is larger than the sum of its proper divisors (71486960).

142973914 is an equidigital number, since it uses as much as digits as its factorization.

142973914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71486959.

The product of its digits is 54432, while the sum is 40.

The square root of 142973914 is about 11957.1699829015. The cubic root of 142973914 is about 522.9003535539.

The spelling of 142973914 in words is "one hundred forty-two million, nine hundred seventy-three thousand, nine hundred fourteen".