451090146 has 16 divisors (see below), whose sum is σ = 971578944. Its totient is φ = 138796944.

The previous prime is 451090127. The next prime is 451090147. The reversal of 451090146 is 641090154.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (451090147) 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, 2891526 + ... + 2891681.

It is an arithmetic number, because the mean of its divisors is an integer number (60723684).

Almost surely, 2^451090146 is an apocalyptic number.

451090146 is an abundant number, since it is smaller than the sum of its proper divisors (520488798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451090146 is a wasteful number, since it uses less digits than its factorization.

451090146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783225.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 451090146 is about 21238.8828802270. The cubic root of 451090146 is about 766.9277401559.

The spelling of 451090146 in words is "four hundred fifty-one million, ninety thousand, one hundred forty-six".