156111345 has 48 divisors (see below), whose sum is σ = 296412480. Its totient is φ = 75535488.

The previous prime is 156111337. The next prime is 156111377. The reversal of 156111345 is 543111651.

156111345 is a `hidden beast` number, since 1 + 5 + 611 + 1 + 3 + 45 = 666.

It is not a de Polignac number, because 156111345 - 2³ = 156111337 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 32254 + ... + 36776.

It is an arithmetic number, because the mean of its divisors is an integer number (6175260).

Almost surely, 2^156111345 is an apocalyptic number.

156111345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156111345 is a deficient number, since it is larger than the sum of its proper divisors (140301135).

156111345 is a wasteful number, since it uses less digits than its factorization.

156111345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4603 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 156111345 is about 12494.4525690404. The cubic root of 156111345 is about 538.4493063495.

Adding to 156111345 its reverse (543111651), we get a palindrome (699222996).

The spelling of 156111345 in words is "one hundred fifty-six million, one hundred eleven thousand, three hundred forty-five".