147281046 has 64 divisors (see below), whose sum is σ = 340312320. Its totient is φ = 42024960.

The previous prime is 147281041. The next prime is 147281087. The reversal of 147281046 is 640182741.

It is a super-3 number, since 3×147281046³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 147280998 and 147281016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147281041) 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 31 ways as a sum of consecutive naturals, for example, 322050 + ... + 322506.

It is an arithmetic number, because the mean of its divisors is an integer number (5317380).

Almost surely, 2^147281046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147281046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170156160).

147281046 is an abundant number, since it is smaller than the sum of its proper divisors (193031274).

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

147281046 is a wasteful number, since it uses less digits than its factorization.

147281046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 147281046 is about 12135.9402602353. The cubic root of 147281046 is about 528.0993342148.

The spelling of 147281046 in words is "one hundred forty-seven million, two hundred eighty-one thousand, forty-six".