451342550 has 48 divisors (see below), whose sum is σ = 851945472. Its totient is φ = 177885600.

The previous prime is 451342531. The next prime is 451342559. The reversal of 451342550 is 55243154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451342559) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1594709 + ... + 1594991.

It is an arithmetic number, because the mean of its divisors is an integer number (17748864).

Almost surely, 2^451342550 is an apocalyptic number.

451342550 is a deficient number, since it is larger than the sum of its proper divisors (400602922).

451342550 is a wasteful number, since it uses less digits than its factorization.

451342550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 451342550 is about 21244.8240755248. The cubic root of 451342550 is about 767.0707563118.

The spelling of 451342550 in words is "four hundred fifty-one million, three hundred forty-two thousand, five hundred fifty".