1454271140 has 48 divisors (see below), whose sum is σ = 3642008832. Its totient is φ = 476927616.

The previous prime is 1454271127. The next prime is 1454271151. The reversal of 1454271140 is 411724541.

It is a happy number.

It is a super-2 number, since 2×1454271140² = 4229809097273799200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222599 + ... + 229038.

It is an arithmetic number, because the mean of its divisors is an integer number (75875184).

Almost surely, 2^1454271140 is an apocalyptic number.

1454271140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454271140 is an abundant number, since it is smaller than the sum of its proper divisors (2187737692).

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

1454271140 is a wasteful number, since it uses less digits than its factorization.

1454271140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451676 (or 451674 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1454271140 is about 38134.9071062196. The cubic root of 1454271140 is about 1132.9614387249.

Adding to 1454271140 its reverse (411724541), we get a palindrome (1865995681).

The spelling of 1454271140 in words is "one billion, four hundred fifty-four million, two hundred seventy-one thousand, one hundred forty".