1345332105 has 48 divisors (see below), whose sum is σ = 2589874560. Its totient is φ = 662306112.

The previous prime is 1345332103. The next prime is 1345332113. The reversal of 1345332105 is 5012335431.

It is not a de Polignac number, because 1345332105 - 2¹ = 1345332103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1345332103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6669 + ... + 52298.

It is an arithmetic number, because the mean of its divisors is an integer number (53955720).

Almost surely, 2^1345332105 is an apocalyptic number.

1345332105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345332105 is a deficient number, since it is larger than the sum of its proper divisors (1244542455).

1345332105 is a wasteful number, since it uses less digits than its factorization.

1345332105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59007 (or 58988 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1345332105 is about 36678.7691314744. The cubic root of 1345332105 is about 1103.9341510228.

Adding to 1345332105 its reverse (5012335431), we get a palindrome (6357667536).

The spelling of 1345332105 in words is "one billion, three hundred forty-five million, three hundred thirty-two thousand, one hundred five".