142973396 has 12 divisors (see below), whose sum is σ = 256306260. Its totient is φ = 69743040.

The previous prime is 142973371. The next prime is 142973399. The reversal of 142973396 is 693379241.

It can be written as a sum of positive squares in 2 ways, for example, as 74580496 + 68392900 = 8636^2 + 8270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142973399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435731 + ... + 436058.

It is an arithmetic number, because the mean of its divisors is an integer number (21358855).

Almost surely, 2^142973396 is an apocalyptic number.

It is an amenable number.

142973396 is a deficient number, since it is larger than the sum of its proper divisors (113332864).

142973396 is a wasteful number, since it uses less digits than its factorization.

142973396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871834 (or 871832 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 142973396 is about 11957.1483222380. The cubic root of 142973396 is about 522.8997220571.

The spelling of 142973396 in words is "one hundred forty-two million, nine hundred seventy-three thousand, three hundred ninety-six".