451455002 has 4 divisors (see below), whose sum is σ = 677182506. Its totient is φ = 225727500.

The previous prime is 451454999. The next prime is 451455013. The reversal of 451455002 is 200554154.

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., 421850521 + 29604481 = 20539^2 + 5441^2 .

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, 112863749 + ... + 112863752.

Almost surely, 2^451455002 is an apocalyptic number.

451455002 is a deficient number, since it is larger than the sum of its proper divisors (225727504).

451455002 is a wasteful number, since it uses less digits than its factorization.

451455002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225727503.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 451455002 is about 21247.4704847424. The cubic root of 451455002 is about 767.1344562502.

The spelling of 451455002 in words is "four hundred fifty-one million, four hundred fifty-five thousand, two".