156453345 has 12 divisors (see below), whose sum is σ = 271185876. Its totient is φ = 83441760.

The previous prime is 156453331. The next prime is 156453361. The reversal of 156453345 is 543354651.

156453345 is a `hidden beast` number, since 1 + 5 + 645 + 3 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31102929 + 125350416 = 5577^2 + 11196^2 .

It is not a de Polignac number, because 156453345 - 2⁶ = 156453281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1738326 + ... + 1738415.

It is an arithmetic number, because the mean of its divisors is an integer number (22598823).

Almost surely, 2^156453345 is an apocalyptic number.

156453345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156453345 is a deficient number, since it is larger than the sum of its proper divisors (114732531).

156453345 is a wasteful number, since it uses less digits than its factorization.

156453345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476752 (or 3476749 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 156453345 is about 12508.1311553725. The cubic root of 156453345 is about 538.8422211017.

The spelling of 156453345 in words is "one hundred fifty-six million, four hundred fifty-three thousand, three hundred forty-five".