1345344897 has 16 divisors (see below), whose sum is σ = 1932819840. Its totient is φ = 827457792.

The previous prime is 1345344881. The next prime is 1345344941. The reversal of 1345344897 is 7984435431.

It is not a de Polignac number, because 1345344897 - 2⁴ = 1345344881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345344857) 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, 73129 + ... + 89657.

It is an arithmetic number, because the mean of its divisors is an integer number (120801240).

Almost surely, 2^1345344897 is an apocalyptic number.

It is an amenable number.

1345344897 is a deficient number, since it is larger than the sum of its proper divisors (587474943).

1345344897 is a wasteful number, since it uses less digits than its factorization.

1345344897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18632.

The product of its digits is 1451520, while the sum is 48.

The square root of 1345344897 is about 36678.9435098668. The cubic root of 1345344897 is about 1103.9376499063.

The spelling of 1345344897 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, eight hundred ninety-seven".