147057 has 4 divisors (see below), whose sum is σ = 196080. Its totient is φ = 98036.

The previous prime is 147047. The next prime is 147073. The reversal of 147057 is 750741.

147057 is nontrivially palindromic in base 7.

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 147057 - 2⁸ = 146801 is a prime.

It is a super-2 number, since 2×147057² = 43251522498, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147057.

It is not an unprimeable number, because it can be changed into a prime (147047) 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, 24507 + ... + 24512.

It is an arithmetic number, because the mean of its divisors is an integer number (49020).

2¹⁴⁷⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

147057 is a deficient number, since it is larger than the sum of its proper divisors (49023).

147057 is an equidigital number, since it uses as much as digits as its factorization.

147057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49022.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 147057 is about 383.4801168248. The cubic root of 147057 is about 52.7831414268.

Adding to 147057 its reverse (750741), we get a palindrome (897798).

The spelling of 147057 in words is "one hundred forty-seven thousand, fifty-seven".