134321445 has 12 divisors (see below), whose sum is σ = 232823916. Its totient is φ = 71638080.

The previous prime is 134321443. The next prime is 134321461. The reversal of 134321445 is 544123431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57426084 + 76895361 = 7578^2 + 8769^2 .

It is not a de Polignac number, because 134321445 - 2¹ = 134321443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134321443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1492416 + ... + 1492505.

It is an arithmetic number, because the mean of its divisors is an integer number (19401993).

Almost surely, 2^134321445 is an apocalyptic number.

134321445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134321445 is a deficient number, since it is larger than the sum of its proper divisors (98502471).

134321445 is a wasteful number, since it uses less digits than its factorization.

134321445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984932 (or 2984929 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 134321445 is about 11589.7128954949. The cubic root of 134321445 is about 512.1318490291.

Adding to 134321445 its reverse (544123431), we get a palindrome (678444876).

The spelling of 134321445 in words is "one hundred thirty-four million, three hundred twenty-one thousand, four hundred forty-five".