147207381 has 16 divisors (see below), whose sum is σ = 198288000. Its totient is φ = 97137728.

The previous prime is 147207373. The next prime is 147207391. The reversal of 147207381 is 183702741.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 147207381 - 2³ = 147207373 is a prime.

It is a super-2 number, since 2×147207381² = 43340026041758322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147207331) 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 15 ways as a sum of consecutive naturals, for example, 227200 + ... + 227846.

It is an arithmetic number, because the mean of its divisors is an integer number (12393000).

Almost surely, 2^147207381 is an apocalyptic number.

It is an amenable number.

147207381 is a deficient number, since it is larger than the sum of its proper divisors (51080619).

147207381 is a wasteful number, since it uses less digits than its factorization.

147207381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 147207381 is about 12132.9048871241. The cubic root of 147207381 is about 528.0112737205.

The spelling of 147207381 in words is "one hundred forty-seven million, two hundred seven thousand, three hundred eighty-one".