142023377 has 2 divisors, whose sum is σ = 142023378. Its totient is φ = 142023376.

The previous prime is 142023337. The next prime is 142023397. The reversal of 142023377 is 773320241.

142023377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 36529936 = 10271^2 + 6044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142023377 is a prime.

It is a super-2 number, since 2×142023377² = 40341279228968258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142023337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71011688 + 71011689.

It is an arithmetic number, because the mean of its divisors is an integer number (71011689).

Almost surely, 2^142023377 is an apocalyptic number.

It is an amenable number.

142023377 is a deficient number, since it is larger than the sum of its proper divisors (1).

142023377 is an equidigital number, since it uses as much as digits as its factorization.

142023377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 142023377 is about 11917.3561245773. The cubic root of 142023377 is about 521.7389722180.

The spelling of 142023377 in words is "one hundred forty-two million, twenty-three thousand, three hundred seventy-seven".