147347801 has 4 divisors (see below), whose sum is σ = 151330212. Its totient is φ = 143365392.

The previous prime is 147347749. The next prime is 147347843. The reversal of 147347801 is 108743741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108743741 = 109 ⋅997649.

It can be written as a sum of positive squares in 2 ways, for example, as 65626201 + 81721600 = 8101^2 + 9040^2 .

It is a cyclic number.

It is not a de Polignac number, because 147347801 - 2⁶ = 147347737 is a prime.

It is a super-2 number, since 2×147347801² = 43422748919071202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147344801) 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, 1991150 + ... + 1991223.

It is an arithmetic number, because the mean of its divisors is an integer number (37832553).

Almost surely, 2^147347801 is an apocalyptic number.

It is an amenable number.

147347801 is a deficient number, since it is larger than the sum of its proper divisors (3982411).

147347801 is an equidigital number, since it uses as much as digits as its factorization.

147347801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982410.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 147347801 is about 12138.6902505995. The cubic root of 147347801 is about 528.1791090109.

The spelling of 147347801 in words is "one hundred forty-seven million, three hundred forty-seven thousand, eight hundred one".