142892345 has 4 divisors (see below), whose sum is σ = 171470820. Its totient is φ = 114313872.

The previous prime is 142892333. The next prime is 142892363. The reversal of 142892345 is 543298241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543298241 = 21187 ⋅25643.

It can be written as a sum of positive squares in 2 ways, for example, as 47224384 + 95667961 = 6872^2 + 9781^2 .

It is a cyclic number.

It is not a de Polignac number, because 142892345 - 2⁴ = 142892329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142892299 and 142892308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14289230 + ... + 14289239.

It is an arithmetic number, because the mean of its divisors is an integer number (42867705).

Almost surely, 2^142892345 is an apocalyptic number.

It is an amenable number.

142892345 is a deficient number, since it is larger than the sum of its proper divisors (28578475).

142892345 is an equidigital number, since it uses as much as digits as its factorization.

142892345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28578474.

The product of its digits is 69120, while the sum is 38.

The square root of 142892345 is about 11953.7586139256. The cubic root of 142892345 is about 522.8008935158.

The spelling of 142892345 in words is "one hundred forty-two million, eight hundred ninety-two thousand, three hundred forty-five".