1454421630 has 64 divisors (see below), whose sum is σ = 3616565760. Its totient is φ = 373892736.

The previous prime is 1454421623. The next prime is 1454421691. The reversal of 1454421630 is 361244541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115559 + ... + 1116861.

It is an arithmetic number, because the mean of its divisors is an integer number (56508840).

Almost surely, 2^1454421630 is an apocalyptic number.

1454421630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1454421630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808282880).

1454421630 is an abundant number, since it is smaller than the sum of its proper divisors (2162144130).

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

1454421630 is a wasteful number, since it uses less digits than its factorization.

1454421630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1454421630 is about 38136.8801817873. The cubic root of 1454421630 is about 1133.0005175187. Note that the first 3 decimals are identical.

The spelling of 1454421630 in words is "one billion, four hundred fifty-four million, four hundred twenty-one thousand, six hundred thirty".