142923322 has 4 divisors (see below), whose sum is σ = 214384986. Its totient is φ = 71461660.

The previous prime is 142923317. The next prime is 142923329. The reversal of 142923322 is 223329241.

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., 103245921 + 39677401 = 10161^2 + 6299^2 .

It is not an unprimeable number, because it can be changed into a prime (142923329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35730829 + ... + 35730832.

Almost surely, 2^142923322 is an apocalyptic number.

142923322 is a deficient number, since it is larger than the sum of its proper divisors (71461664).

142923322 is an equidigital number, since it uses as much as digits as its factorization.

142923322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71461663.

The product of its digits is 5184, while the sum is 28.

The square root of 142923322 is about 11955.0542449627. The cubic root of 142923322 is about 522.8386693512.

The spelling of 142923322 in words is "one hundred forty-two million, nine hundred twenty-three thousand, three hundred twenty-two".