1421414145 has 24 divisors (see below), whose sum is σ = 2570907456. Its totient is φ = 725126688.

The previous prime is 1421414039. The next prime is 1421414147. The reversal of 1421414145 is 5414141241.

It is a happy number.

It is not a de Polignac number, because 1421414145 - 2²⁵ = 1387859713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421414147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685639 + ... + 687708.

It is an arithmetic number, because the mean of its divisors is an integer number (107121144).

Almost surely, 2^1421414145 is an apocalyptic number.

1421414145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421414145 is a deficient number, since it is larger than the sum of its proper divisors (1149493311).

1421414145 is a wasteful number, since it uses less digits than its factorization.

1421414145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373381 (or 1373378 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1421414145 is about 37701.6464494589. The cubic root of 1421414145 is about 1124.3638596163.

Adding to 1421414145 its reverse (5414141241), we get a palindrome (6835555386).

The spelling of 1421414145 in words is "one billion, four hundred twenty-one million, four hundred fourteen thousand, one hundred forty-five".