451230000 has 300 divisors, whose sum is σ = 1595020680. Its totient is φ = 109824000.

The previous prime is 451229981. The next prime is 451230011. The reversal of 451230000 is 32154.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5069956 + ... + 5070044.

Almost surely, 2^451230000 is an apocalyptic number.

451230000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797510340).

451230000 is an abundant number, since it is smaller than the sum of its proper divisors (1143790680).

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

451230000 is a wasteful number, since it uses less digits than its factorization.

451230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 451230000 is about 21242.1750298786. The cubic root of 451230000 is about 767.0069902647.

Adding to 451230000 its reverse (32154), we get a palindrome (451262154).

The spelling of 451230000 in words is "four hundred fifty-one million, two hundred thirty thousand".