156243906000 has 1920 divisors, whose sum is σ = 738144755712. Its totient is φ = 29859840000.

The previous prime is 156243905977. The next prime is 156243906001. The reversal of 156243906000 is 609342651.

It is a happy number.

156243906000 is a `hidden beast` number, since 1 + 5 + 6 + 2 + 43 + 9 + 0 + 600 + 0 = 666.

156243906000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156243906001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 863225910 + ... + 863226090.

Almost surely, 2^156243906000 is an apocalyptic number.

156243906000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156243906000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369072377856).

156243906000 is an abundant number, since it is smaller than the sum of its proper divisors (581900849712).

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

156243906000 is a wasteful number, since it uses less digits than its factorization.

156243906000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 156243906000 in words is "one hundred fifty-six billion, two hundred forty-three million, nine hundred six thousand".