156487340 has 24 divisors (see below), whose sum is σ = 330806112. Its totient is φ = 62179200.

The previous prime is 156487333. The next prime is 156487361. The reversal of 156487340 is 43784651.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 156487294 and 156487303.

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, 22889 + ... + 28928.

It is an arithmetic number, because the mean of its divisors is an integer number (13783588).

Almost surely, 2^156487340 is an apocalyptic number.

156487340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156487340 is an abundant number, since it is smaller than the sum of its proper divisors (174318772).

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

156487340 is a wasteful number, since it uses less digits than its factorization.

156487340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51977 (or 51975 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 156487340 is about 12509.4899975978. The cubic root of 156487340 is about 538.8812457594.

The spelling of 156487340 in words is "one hundred fifty-six million, four hundred eighty-seven thousand, three hundred forty".