147621306 has 16 divisors (see below), whose sum is σ = 337420224. Its totient is φ = 42177504.

The previous prime is 147621289. The next prime is 147621323. The reversal of 147621306 is 603126741.

147621306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (147621289) and next prime (147621323).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1757355 + ... + 1757438.

It is an arithmetic number, because the mean of its divisors is an integer number (21088764).

Almost surely, 2^147621306 is an apocalyptic number.

147621306 is an abundant number, since it is smaller than the sum of its proper divisors (189798918).

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

147621306 is a wasteful number, since it uses less digits than its factorization.

147621306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514805.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 147621306 is about 12149.9508640982. The cubic root of 147621306 is about 528.5057066639.

The spelling of 147621306 in words is "one hundred forty-seven million, six hundred twenty-one thousand, three hundred six".