147087381 has 16 divisors (see below), whose sum is σ = 225312768. Its totient is φ = 83607600.

The previous prime is 147087373. The next prime is 147087407. The reversal of 147087381 is 183780741.

It is not a de Polignac number, because 147087381 - 2³ = 147087373 is a prime.

It is a super-2 number, since 2×147087381² = 43269395298878322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147087331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14325 + ... + 22346.

It is an arithmetic number, because the mean of its divisors is an integer number (14082048).

Almost surely, 2^147087381 is an apocalyptic number.

It is an amenable number.

147087381 is a deficient number, since it is larger than the sum of its proper divisors (78225387).

147087381 is a wasteful number, since it uses less digits than its factorization.

147087381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36872.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 147087381 is about 12127.9586493358. The cubic root of 147087381 is about 527.8677605870.

The spelling of 147087381 in words is "one hundred forty-seven million, eighty-seven thousand, three hundred eighty-one".