1345522101 has 48 divisors (see below), whose sum is σ = 2263033344. Its totient is φ = 690840000.

The previous prime is 1345522093. The next prime is 1345522121. The reversal of 1345522101 is 1012255431.

It is a happy number.

It is not a de Polignac number, because 1345522101 - 2³ = 1345522093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345522121) 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 47 ways as a sum of consecutive naturals, for example, 2356146 + ... + 2356716.

It is an arithmetic number, because the mean of its divisors is an integer number (47146528).

Almost surely, 2^1345522101 is an apocalyptic number.

1345522101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1345522101 is a deficient number, since it is larger than the sum of its proper divisors (917511243).

1345522101 is a wasteful number, since it uses less digits than its factorization.

1345522101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1345522101 is about 36681.3590397084. The cubic root of 1345522101 is about 1103.9861166798.

Adding to 1345522101 its reverse (1012255431), we get a palindrome (2357777532).

The spelling of 1345522101 in words is "one billion, three hundred forty-five million, five hundred twenty-two thousand, one hundred one".