1345149359 has 4 divisors (see below), whose sum is σ = 1346483520. Its totient is φ = 1343815200.

The previous prime is 1345149347. The next prime is 1345149367. The reversal of 1345149359 is 9539415431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345149359 - 2²⁸ = 1076713903 is a prime.

It is a super-2 number, since 2×1345149359² = 3618853596036221762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345149389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665567 + ... + 667584.

It is an arithmetic number, because the mean of its divisors is an integer number (336620880).

Almost surely, 2^1345149359 is an apocalyptic number.

1345149359 is a deficient number, since it is larger than the sum of its proper divisors (1334161).

1345149359 is a wasteful number, since it uses less digits than its factorization.

1345149359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334160.

The product of its digits is 291600, while the sum is 44.

The square root of 1345149359 is about 36676.2778782144. The cubic root of 1345149359 is about 1103.8841636914.

The spelling of 1345149359 in words is "one billion, three hundred forty-five million, one hundred forty-nine thousand, three hundred fifty-nine".