283145672 has 32 divisors (see below), whose sum is σ = 555448320. Its totient is φ = 135173760.

The previous prime is 283145671. The next prime is 283145683. The reversal of 283145672 is 276541382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (283145671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6233 + ... + 24599.

It is an arithmetic number, because the mean of its divisors is an integer number (17357760).

Almost surely, 2^283145672 is an apocalyptic number.

It is an amenable number.

283145672 is a deficient number, since it is larger than the sum of its proper divisors (272302648).

283145672 is a wasteful number, since it uses less digits than its factorization.

283145672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461 (or 18457 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 283145672 is about 16826.9329350301. The cubic root of 283145672 is about 656.6540732409.

The spelling of 283145672 in words is "two hundred eighty-three million, one hundred forty-five thousand, six hundred seventy-two".