147387641 has 4 divisors (see below), whose sum is σ = 147430800. Its totient is φ = 147344484.

The previous prime is 147387623. The next prime is 147387659. The reversal of 147387641 is 146783741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (147387623) and next prime (147387659).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147387641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147387601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15971 + ... + 23448.

It is an arithmetic number, because the mean of its divisors is an integer number (36857700).

Almost surely, 2^147387641 is an apocalyptic number.

It is an amenable number.

147387641 is a deficient number, since it is larger than the sum of its proper divisors (43159).

147387641 is an equidigital number, since it uses as much as digits as its factorization.

147387641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43158.

The product of its digits is 112896, while the sum is 41.

The square root of 147387641 is about 12140.3311734071. The cubic root of 147387641 is about 528.2267078651.

The spelling of 147387641 in words is "one hundred forty-seven million, three hundred eighty-seven thousand, six hundred forty-one".