1454591864 has 16 divisors (see below), whose sum is σ = 2975301720. Its totient is φ = 661178080.

The previous prime is 1454591863. The next prime is 1454591867. The reversal of 1454591864 is 4681954541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454591863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8264639 + ... + 8264814.

Almost surely, 2^1454591864 is an apocalyptic number.

It is an amenable number.

1454591864 is an abundant number, since it is smaller than the sum of its proper divisors (1520709856).

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

1454591864 is a wasteful number, since it uses less digits than its factorization.

1454591864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529470 (or 16529466 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 1454591864 is about 38139.1119980526. Note that the first 3 decimals coincide. The cubic root of 1454591864 is about 1133.0447201262.

The spelling of 1454591864 in words is "one billion, four hundred fifty-four million, five hundred ninety-one thousand, eight hundred sixty-four".