147375321 has 4 divisors (see below), whose sum is σ = 196500432. Its totient is φ = 98250212.

The previous prime is 147375313. The next prime is 147375323. The reversal of 147375321 is 123573741.

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 147375321 - 2³ = 147375313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147375323) 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, 24562551 + ... + 24562556.

It is an arithmetic number, because the mean of its divisors is an integer number (49125108).

Almost surely, 2^147375321 is an apocalyptic number.

It is an amenable number.

147375321 is a deficient number, since it is larger than the sum of its proper divisors (49125111).

147375321 is an equidigital number, since it uses as much as digits as its factorization.

147375321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49125110.

The product of its digits is 17640, while the sum is 33.

The square root of 147375321 is about 12139.8237631359. The cubic root of 147375321 is about 528.2119894569.

It can be divided in two parts, 147375 and 321, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 147375321 in words is "one hundred forty-seven million, three hundred seventy-five thousand, three hundred twenty-one".