1345775245737 has 16 divisors (see below), whose sum is σ = 1949496073728. Its totient is φ = 820840446720.

The previous prime is 1345775245643. The next prime is 1345775245739. The reversal of 1345775245737 is 7375425775431.

It is a happy number.

It is not a de Polignac number, because 1345775245737 - 2¹⁹ = 1345774721449 is a prime.

It is a super-2 number, since 2×1345775245737² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345775245739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152681689 + ... + 152690502.

It is an arithmetic number, because the mean of its divisors is an integer number (121843504608).

Almost surely, 2^{1345775245737} is an apocalyptic number.

It is an amenable number.

1345775245737 is a deficient number, since it is larger than the sum of its proper divisors (603720827991).

1345775245737 is a wasteful number, since it uses less digits than its factorization.

1345775245737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305372320.

The product of its digits is 86436000, while the sum is 60.

The spelling of 1345775245737 in words is "one trillion, three hundred forty-five billion, seven hundred seventy-five million, two hundred forty-five thousand, seven hundred thirty-seven".