156148611840 has 1296 divisors, whose sum is σ = 639379077792. Its totient is φ = 36261789696.

The previous prime is 156148611821. The next prime is 156148611841. The reversal of 156148611840 is 48116841651.

156148611840 is a `hidden beast` number, since 1 + 56 + 1 + 486 + 118 + 4 + 0 = 666.

156148611840 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (156148611841) 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 143 ways as a sum of consecutive naturals, for example, 2139022044 + ... + 2139022116.

Almost surely, 2^156148611840 is an apocalyptic number.

156148611840 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 156148611840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319689538896).

156148611840 is an abundant number, since it is smaller than the sum of its proper divisors (483230465952).

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

156148611840 is an equidigital number, since it uses as much as digits as its factorization.

156148611840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 156148611840 in words is "one hundred fifty-six billion, one hundred forty-eight million, six hundred eleven thousand, eight hundred forty".