147472146 has 48 divisors (see below), whose sum is σ = 332587008. Its totient is φ = 47174400.

The previous prime is 147472133. The next prime is 147472147. The reversal of 147472146 is 641274741.

147472146 = T₁₄₆₀ + T₁₄₆₁ + ... + T₁₅₈₆.

It is a happy number.

147472146 is a `hidden beast` number, since 1 + 47 + 472 + 146 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 147472146.

It is not an unprimeable number, because it can be changed into a prime (147472147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69826 + ... + 71906.

It is an arithmetic number, because the mean of its divisors is an integer number (6928896).

Almost surely, 2^147472146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147472146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166293504).

147472146 is an abundant number, since it is smaller than the sum of its proper divisors (185114862).

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

147472146 is a wasteful number, since it uses less digits than its factorization.

147472146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2244 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 147472146 is about 12143.8110163161. The cubic root of 147472146 is about 528.3276418586.

The spelling of 147472146 in words is "one hundred forty-seven million, four hundred seventy-two thousand, one hundred forty-six".