1454453140 has 96 divisors (see below), whose sum is σ = 3552159744. Its totient is φ = 489974400.

The previous prime is 1454453137. The next prime is 1454453159. The reversal of 1454453140 is 413544541.

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, 2261659 + ... + 2262301.

It is an arithmetic number, because the mean of its divisors is an integer number (37001664).

Almost surely, 2^1454453140 is an apocalyptic number.

1454453140 is a gapful number since it is divisible by the number (10) 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 1454453140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776079872).

1454453140 is an abundant number, since it is smaller than the sum of its proper divisors (2097706604).

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

1454453140 is a wasteful number, since it uses less digits than its factorization.

1454453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 1454453140 is about 38137.2932967194. The cubic root of 1454453140 is about 1133.0086996001.

Adding to 1454453140 its reverse (413544541), we get a palindrome (1867997681).

The spelling of 1454453140 in words is "one billion, four hundred fifty-four million, four hundred fifty-three thousand, one hundred forty".