1424451345 has 48 divisors (see below), whose sum is σ = 2377807488. Its totient is φ = 728017920.

The previous prime is 1424451311. The next prime is 1424451389. The reversal of 1424451345 is 5431544241.

It is a happy number.

It is not a de Polignac number, because 1424451345 - 2¹⁷ = 1424320273 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1457497 + ... + 1458473.

It is an arithmetic number, because the mean of its divisors is an integer number (49537656).

Almost surely, 2^1424451345 is an apocalyptic number.

1424451345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424451345 is a deficient number, since it is larger than the sum of its proper divisors (953356143).

1424451345 is an equidigital number, since it uses as much as digits as its factorization.

1424451345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1093 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

The square root of 1424451345 is about 37741.9043637175. The cubic root of 1424451345 is about 1125.1641163043.

Adding to 1424451345 its reverse (5431544241), we get a palindrome (6855995586).

The spelling of 1424451345 in words is "one billion, four hundred twenty-four million, four hundred fifty-one thousand, three hundred forty-five".