302245142 has 8 divisors (see below), whose sum is σ = 480036456. Its totient is φ = 142232992.

The previous prime is 302245129. The next prime is 302245169. The reversal of 302245142 is 241542203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 4444748 + ... + 4444815.

It is an arithmetic number, because the mean of its divisors is an integer number (60004557).

Almost surely, 2^302245142 is an apocalyptic number.

302245142 is a deficient number, since it is larger than the sum of its proper divisors (177791314).

302245142 is a wasteful number, since it uses less digits than its factorization.

302245142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889582.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 302245142 is about 17385.1989347261. The cubic root of 302245142 is about 671.0987703334.

Adding to 302245142 its reverse (241542203), we get a palindrome (543787345).

The spelling of 302245142 in words is "three hundred two million, two hundred forty-five thousand, one hundred forty-two".