1345023219 has 16 divisors (see below), whose sum is σ = 1881342720. Its totient is φ = 853564320.

The previous prime is 1345023193. The next prime is 1345023247. The reversal of 1345023219 is 9123205431.

It is not a de Polignac number, because 1345023219 - 2⁸ = 1345022963 is a prime.

It is a super-2 number, since 2×1345023219² = 3618174919298243922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345023019) 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, 102697 + ... + 115050.

It is an arithmetic number, because the mean of its divisors is an integer number (117583920).

Almost surely, 2^1345023219 is an apocalyptic number.

1345023219 is a deficient number, since it is larger than the sum of its proper divisors (536319501).

1345023219 is a wasteful number, since it uses less digits than its factorization.

1345023219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217850.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1345023219 is about 36674.5581977479. The cubic root of 1345023219 is about 1103.8496574114.

The spelling of 1345023219 in words is "one billion, three hundred forty-five million, twenty-three thousand, two hundred nineteen".