142023361 has 4 divisors (see below), whose sum is σ = 142048000. Its totient is φ = 141998724.

The previous prime is 142023337. The next prime is 142023377. The reversal of 142023361 is 163320241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142023361 - 2⁹ = 142022849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142021361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (35512000).

Almost surely, 2^142023361 is an apocalyptic number.

It is an amenable number.

142023361 is a deficient number, since it is larger than the sum of its proper divisors (24639).

142023361 is an equidigital number, since it uses as much as digits as its factorization.

142023361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24638.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 142023361 is about 11917.3554532874. The cubic root of 142023361 is about 521.7389526254.

The spelling of 142023361 in words is "one hundred forty-two million, twenty-three thousand, three hundred sixty-one".