451250146 has 4 divisors (see below), whose sum is σ = 676875222. Its totient is φ = 225625072.

The previous prime is 451250119. The next prime is 451250161. The reversal of 451250146 is 641052154.

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., 351150121 + 100100025 = 18739^2 + 10005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112812535 + ... + 112812538.

Almost surely, 2^451250146 is an apocalyptic number.

451250146 is a deficient number, since it is larger than the sum of its proper divisors (225625076).

451250146 is a wasteful number, since it uses less digits than its factorization.

451250146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225625075.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 451250146 is about 21242.6492227311. The cubic root of 451250146 is about 767.0184049113.

The spelling of 451250146 in words is "four hundred fifty-one million, two hundred fifty thousand, one hundred forty-six".