156227456 has 128 divisors (see below), whose sum is σ = 394225920. Its totient is φ = 60403200.

The previous prime is 156227453. The next prime is 156227479. The reversal of 156227456 is 654722651.

156227456 is digitally balanced in base 2, 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 (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156227453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1192511 + ... + 1192641.

It is an arithmetic number, because the mean of its divisors is an integer number (3079890).

Almost surely, 2^156227456 is an apocalyptic number.

156227456 is a gapful number since it is divisible by the number (16) 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 156227456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197112960).

156227456 is an abundant number, since it is smaller than the sum of its proper divisors (237998464).

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

156227456 is an equidigital number, since it uses as much as digits as its factorization.

156227456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 151 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 156227456 is about 12499.0982074708. The cubic root of 156227456 is about 538.5827674884.

The spelling of 156227456 in words is "one hundred fifty-six million, two hundred twenty-seven thousand, four hundred fifty-six".