290363146 has 4 divisors (see below), whose sum is σ = 435544722. Its totient is φ = 145181572.

The previous prime is 290363137. The next prime is 290363153. The reversal of 290363146 is 641363092.

It is a happy number.

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., 253287225 + 37075921 = 15915^2 + 6089^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72590785 + ... + 72590788.

Almost surely, 2^290363146 is an apocalyptic number.

290363146 is a deficient number, since it is larger than the sum of its proper divisors (145181576).

290363146 is a wasteful number, since it uses less digits than its factorization.

290363146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145181575.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 290363146 is about 17040.0453637894. The cubic root of 290363146 is about 662.1867671266.

It can be divided in two parts, 2903 and 63146, that added together give a square (66049 = 257²).

The spelling of 290363146 in words is "two hundred ninety million, three hundred sixty-three thousand, one hundred forty-six".