455247450 has 144 divisors (see below), whose sum is σ = 1430759616. Its totient is φ = 101606400.

The previous prime is 455247449. The next prime is 455247461. The reversal of 455247450 is 54742554.

455247450 = 35² + 36² + ... + 1109².

It is a happy number.

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 in 71 ways as a sum of consecutive naturals, for example, 133770 + ... + 137130.

Almost surely, 2^455247450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455247450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715379808).

455247450 is an abundant number, since it is smaller than the sum of its proper divisors (975512166).

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

455247450 is a wasteful number, since it uses less digits than its factorization.

455247450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 455247450 is about 21336.5285367606. The cubic root of 455247450 is about 769.2765735930.

The spelling of 455247450 in words is "four hundred fifty-five million, two hundred forty-seven thousand, four hundred fifty".