1453334421 has 64 divisors (see below), whose sum is σ = 2491969536. Its totient is φ = 731481600.

The previous prime is 1453334417. The next prime is 1453334461. The reversal of 1453334421 is 1244333541.

It is not a de Polignac number, because 1453334421 - 2² = 1453334417 is a prime.

It is a super-2 number, since 2×1453334421² = 4224361878526810482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453334401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1638040 + ... + 1638926.

It is an arithmetic number, because the mean of its divisors is an integer number (38937024).

Almost surely, 2^1453334421 is an apocalyptic number.

1453334421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1453334421 is a deficient number, since it is larger than the sum of its proper divisors (1038635115).

1453334421 is a wasteful number, since it uses less digits than its factorization.

1453334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 17280, while the sum is 30.

The square root of 1453334421 is about 38122.6234800282. The cubic root of 1453334421 is about 1132.7181336956.

Adding to 1453334421 its reverse (1244333541), we get a palindrome (2697667962).

The spelling of 1453334421 in words is "one billion, four hundred fifty-three million, three hundred thirty-four thousand, four hundred twenty-one".