147355891 has 2 divisors, whose sum is σ = 147355892. Its totient is φ = 147355890.

The previous prime is 147355889. The next prime is 147355903. The reversal of 147355891 is 198553741.

147355891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147355891 - 2¹ = 147355889 is a prime.

It is a super-2 number, since 2×147355891² = 43427517224807762, which contains 22 as substring.

Together with 147355889, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (147355801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73677945 + 73677946.

It is an arithmetic number, because the mean of its divisors is an integer number (73677946).

Almost surely, 2^147355891 is an apocalyptic number.

147355891 is a deficient number, since it is larger than the sum of its proper divisors (1).

147355891 is an equidigital number, since it uses as much as digits as its factorization.

147355891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 43.

The square root of 147355891 is about 12139.0234780233. The cubic root of 147355891 is about 528.1887752354.

The spelling of 147355891 in words is "one hundred forty-seven million, three hundred fifty-five thousand, eight hundred ninety-one".