1454411021 has 16 divisors (see below), whose sum is σ = 1677869568. Its totient is φ = 1234926000.

The previous prime is 1454411017. The next prime is 1454411027. The reversal of 1454411021 is 1201144541.

It is not a de Polignac number, because 1454411021 - 2² = 1454411017 is a prime.

It is a super-2 number, since 2×1454411021² = 4230622836012524882, 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 (1454411027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375746 + ... + 379596.

It is an arithmetic number, because the mean of its divisors is an integer number (104866848).

Almost surely, 2^1454411021 is an apocalyptic number.

It is an amenable number.

1454411021 is a deficient number, since it is larger than the sum of its proper divisors (223458547).

1454411021 is a wasteful number, since it uses less digits than its factorization.

1454411021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1454411021 is about 38136.7410904498. The cubic root of 1454411021 is about 1132.9977626936.

Adding to 1454411021 its reverse (1201144541), we get a palindrome (2655555562).

The spelling of 1454411021 in words is "one billion, four hundred fifty-four million, four hundred eleven thousand, twenty-one".