283777042 has 4 divisors (see below), whose sum is σ = 425665566. Its totient is φ = 141888520.

The previous prime is 283777037. The next prime is 283777057. The reversal of 283777042 is 240777382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216060601 + 67716441 = 14699^2 + 8229^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 283776986 and 283777004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70944259 + ... + 70944262.

Almost surely, 2^283777042 is an apocalyptic number.

283777042 is a deficient number, since it is larger than the sum of its proper divisors (141888524).

283777042 is a wasteful number, since it uses less digits than its factorization.

283777042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141888523.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 283777042 is about 16845.6831859085. The cubic root of 283777042 is about 657.1417891017.

The spelling of 283777042 in words is "two hundred eighty-three million, seven hundred seventy-seven thousand, forty-two".