142223345 has 16 divisors (see below), whose sum is σ = 188739072. Its totient is φ = 102015360.

The previous prime is 142223339. The next prime is 142223351. The reversal of 142223345 is 543322241.

It is an interprime number because it is at equal distance from previous prime (142223339) and next prime (142223351).

It is not a de Polignac number, because 142223345 - 2⁸ = 142223089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13697 + ... + 21726.

It is an arithmetic number, because the mean of its divisors is an integer number (11796192).

Almost surely, 2^142223345 is an apocalyptic number.

It is an amenable number.

142223345 is a deficient number, since it is larger than the sum of its proper divisors (46515727).

142223345 is a wasteful number, since it uses less digits than its factorization.

142223345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35512.

The product of its digits is 5760, while the sum is 26.

The square root of 142223345 is about 11925.7429537954. The cubic root of 142223345 is about 521.9837257542.

Adding to 142223345 its reverse (543322241), we get a palindrome (685545586).

The spelling of 142223345 in words is "one hundred forty-two million, two hundred twenty-three thousand, three hundred forty-five".