156005340 has 24 divisors (see below), whose sum is σ = 436815120. Its totient is φ = 41601408.

The previous prime is 156005327. The next prime is 156005351. The reversal of 156005340 is 43500651.

It is a super-2 number, since 2×156005340² = 48675332217031200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156005340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299985 + ... + 1300104.

It is an arithmetic number, because the mean of its divisors is an integer number (18200630).

Almost surely, 2^156005340 is an apocalyptic number.

156005340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156005340 is an abundant number, since it is smaller than the sum of its proper divisors (280809780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156005340 is a wasteful number, since it uses less digits than its factorization.

156005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600101 (or 2600099 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 156005340 is about 12490.2097660528. The cubic root of 156005340 is about 538.3274035223.

Adding to 156005340 its reverse (43500651), we get a palindrome (199505991).

The spelling of 156005340 in words is "one hundred fifty-six million, five thousand, three hundred forty".