1454231021 has 8 divisors (see below), whose sum is σ = 1468467000. Its totient is φ = 1440011520.

The previous prime is 1454231011. The next prime is 1454231039. The reversal of 1454231021 is 1201324541.

It can be written as a sum of positive squares in 4 ways, for example, as 289374121 + 1164856900 = 17011^2 + 34130^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454231021 is a prime.

It is a super-2 number, since 2×1454231021² = 4229575724877404882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454231011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245705 + ... + 251553.

It is an arithmetic number, because the mean of its divisors is an integer number (183558375).

Almost surely, 2^1454231021 is an apocalyptic number.

It is an amenable number.

1454231021 is a deficient number, since it is larger than the sum of its proper divisors (14235979).

1454231021 is a wasteful number, since it uses less digits than its factorization.

1454231021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8239.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1454231021 is about 38134.3810884614. The cubic root of 1454231021 is about 1132.9510202876.

Adding to 1454231021 its reverse (1201324541), we get a palindrome (2655555562).

The spelling of 1454231021 in words is "one billion, four hundred fifty-four million, two hundred thirty-one thousand, twenty-one".