2090457146 has 4 divisors (see below), whose sum is σ = 3135685722. Its totient is φ = 1045228572.

The previous prime is 2090457133. The next prime is 2090457163. The reversal of 2090457146 is 6417540902.

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., 1739307025 + 351150121 = 41705^2 + 18739^2 .

It is a super-2 number, since 2×2090457146² = 8740022158524930632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522614285 + ... + 522614288.

Almost surely, 2^2090457146 is an apocalyptic number.

2090457146 is a deficient number, since it is larger than the sum of its proper divisors (1045228576).

2090457146 is a wasteful number, since it uses less digits than its factorization.

2090457146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045228575.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 2090457146 is about 45721.5173195291. The cubic root of 2090457146 is about 1278.6364764854.

The spelling of 2090457146 in words is "two billion, ninety million, four hundred fifty-seven thousand, one hundred forty-six".