147742056 has 336 divisors, whose sum is σ = 538280640. Its totient is φ = 37558080.

The previous prime is 147742039. The next prime is 147742057. The reversal of 147742056 is 650247741.

147742056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147742056² = 43655430222214272, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 147742056.

It is not an unprimeable number, because it can be changed into a prime (147742057) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 3143425 + ... + 3143471.

Almost surely, 2^147742056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147742056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269140320).

147742056 is an abundant number, since it is smaller than the sum of its proper divisors (390538584).

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

147742056 is a wasteful number, since it uses less digits than its factorization.

147742056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 147742056 is about 12154.9190042550. The cubic root of 147742056 is about 528.6497682349.

Adding to 147742056 its reverse (650247741), we get a palindrome (797989797).

The spelling of 147742056 in words is "one hundred forty-seven million, seven hundred forty-two thousand, fifty-six".