156651040 has 288 divisors, whose sum is σ = 488663280. Its totient is φ = 46964736.

The previous prime is 156651017. The next prime is 156651041. The reversal of 156651040 is 40156651.

156651040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 56731024 + 99920016 = 7532^2 + 9996^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156651041) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2955654 + ... + 2955706.

Almost surely, 2^156651040 is an apocalyptic number.

156651040 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 156651040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244331640).

156651040 is an abundant number, since it is smaller than the sum of its proper divisors (332012240).

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

156651040 is a wasteful number, since it uses less digits than its factorization.

156651040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 156651040 is about 12516.0313198713. The cubic root of 156651040 is about 539.0690865512.

The spelling of 156651040 in words is "one hundred fifty-six million, six hundred fifty-one thousand, forty".