147018387 has 4 divisors (see below), whose sum is σ = 196024520. Its totient is φ = 98012256.

The previous prime is 147018367. The next prime is 147018413. The reversal of 147018387 is 783810741.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 147018387 - 2¹⁸ = 146756243 is a prime.

It is a super-2 number, since 2×147018387² = 43228812232163538, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147018307) 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, 24503062 + ... + 24503067.

It is an arithmetic number, because the mean of its divisors is an integer number (49006130).

Almost surely, 2^147018387 is an apocalyptic number.

147018387 is a deficient number, since it is larger than the sum of its proper divisors (49006133).

147018387 is an equidigital number, since it uses as much as digits as its factorization.

147018387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49006132.

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

The square root of 147018387 is about 12125.1138963723. The cubic root of 147018387 is about 527.7852123676.

The spelling of 147018387 in words is "one hundred forty-seven million, eighteen thousand, three hundred eighty-seven".