147988361 has 4 divisors (see below), whose sum is σ = 148040400. Its totient is φ = 147936324.

The previous prime is 147988339. The next prime is 147988381. The reversal of 147988361 is 163889741.

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 a cyclic number.

It is not a de Polignac number, because 147988361 - 2¹⁰ = 147987337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147988381) 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 3 ways as a sum of consecutive naturals, for example, 21491 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (37010100).

Almost surely, 2^147988361 is an apocalyptic number.

It is an amenable number.

147988361 is a deficient number, since it is larger than the sum of its proper divisors (52039).

147988361 is an equidigital number, since it uses as much as digits as its factorization.

147988361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52038.

The product of its digits is 290304, while the sum is 47.

The square root of 147988361 is about 12165.0466912380. The cubic root of 147988361 is about 528.9433808397.

The spelling of 147988361 in words is "one hundred forty-seven million, nine hundred eighty-eight thousand, three hundred sixty-one".