1344764475145 has 32 divisors (see below), whose sum is σ = 1986434714880. Its totient is φ = 851053996800.

The previous prime is 1344764475097. The next prime is 1344764475161. The reversal of 1344764475145 is 5415744674431.

It is not a de Polignac number, because 1344764475145 - 2¹¹ = 1344764473097 is a prime.

It is a super-2 number, since 2×1344764475145² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2616670 + ... + 3088120.

It is an arithmetic number, because the mean of its divisors is an integer number (62076084840).

Almost surely, 2^{1344764475145} is an apocalyptic number.

It is an amenable number.

1344764475145 is a deficient number, since it is larger than the sum of its proper divisors (641670239735).

1344764475145 is a wasteful number, since it uses less digits than its factorization.

1344764475145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477745.

The product of its digits is 22579200, while the sum is 55.

The spelling of 1344764475145 in words is "one trillion, three hundred forty-four billion, seven hundred sixty-four million, four hundred seventy-five thousand, one hundred forty-five".