156241140 has 48 divisors (see below), whose sum is σ = 477247680. Its totient is φ = 37876480.

The previous prime is 156241133. The next prime is 156241213. The reversal of 156241140 is 41142651.

It is a happy number.

It is a super-2 number, since 2×156241140² = 48822587656999200, 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 156241140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117705 + ... + 119024.

It is an arithmetic number, because the mean of its divisors is an integer number (9942660).

Almost surely, 2^156241140 is an apocalyptic number.

156241140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156241140 is an abundant number, since it is smaller than the sum of its proper divisors (321006540).

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

156241140 is a wasteful number, since it uses less digits than its factorization.

156241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236752 (or 236750 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 156241140 is about 12499.6455949759. The cubic root of 156241140 is about 538.5984918935.

Adding to 156241140 its reverse (41142651), we get a palindrome (197383791).

The spelling of 156241140 in words is "one hundred fifty-six million, two hundred forty-one thousand, one hundred forty".