147228246 has 64 divisors (see below), whose sum is σ = 363052800. Its totient is φ = 43848000.

The previous prime is 147228239. The next prime is 147228247. The reversal of 147228246 is 642822741.

It is a self number, because there is not a number n which added to its sum of digits gives 147228246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147228247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32946 + ... + 37146.

It is an arithmetic number, because the mean of its divisors is an integer number (5672700).

Almost surely, 2^147228246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147228246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181526400).

147228246 is an abundant number, since it is smaller than the sum of its proper divisors (215824554).

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

147228246 is a wasteful number, since it uses less digits than its factorization.

147228246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282 (or 4276 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 147228246 is about 12133.7647084489. The cubic root of 147228246 is about 528.0362191063.

The spelling of 147228246 in words is "one hundred forty-seven million, two hundred twenty-eight thousand, two hundred forty-six".