1345046437 has 4 divisors (see below), whose sum is σ = 1537195936. Its totient is φ = 1152896940.

The previous prime is 1345046429. The next prime is 1345046447. The reversal of 1345046437 is 7346405431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345046437 - 2³ = 1345046429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345046396 and 1345046405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345046447) 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, 96074739 + ... + 96074752.

It is an arithmetic number, because the mean of its divisors is an integer number (384298984).

Almost surely, 2^1345046437 is an apocalyptic number.

It is an amenable number.

1345046437 is a deficient number, since it is larger than the sum of its proper divisors (192149499).

1345046437 is an equidigital number, since it uses as much as digits as its factorization.

1345046437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192149498.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 1345046437 is about 36674.8747373457. The cubic root of 1345046437 is about 1103.8560089830.

The spelling of 1345046437 in words is "one billion, three hundred forty-five million, forty-six thousand, four hundred thirty-seven".