1345344898 has 8 divisors (see below), whose sum is σ = 2056093308. Its totient is φ = 659980464.

The previous prime is 1345344881. The next prime is 1345344941. The reversal of 1345344898 is 8984435431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1282570969 + 62773929 = 35813^2 + 7923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6345861 + ... + 6346072.

Almost surely, 2^1345344898 is an apocalyptic number.

1345344898 is a deficient number, since it is larger than the sum of its proper divisors (710748410).

1345344898 is a wasteful number, since it uses less digits than its factorization.

1345344898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691988.

The product of its digits is 1658880, while the sum is 49.

The square root of 1345344898 is about 36678.9435234986. The cubic root of 1345344898 is about 1103.9376501799.

The spelling of 1345344898 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, eight hundred ninety-eight".