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145713 = 348571
BaseRepresentation
bin100011100100110001
321101212210
4203210301
514130323
63042333
71144551
oct434461
9241783
10145713
119a527
12703a9
1351429
143b161
152d293
hex23931

145713 has 4 divisors (see below), whose sum is σ = 194288. Its totient is φ = 97140.

The previous prime is 145709. The next prime is 145721. The reversal of 145713 is 317541.

It can be divided in two parts, 145 and 713, that added together give a palindrome (858).

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 not a de Polignac number, because 145713 - 22 = 145709 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145713.

It is not an unprimeable number, because it can be changed into a prime (145703) 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, 24283 + ... + 24288.

It is an arithmetic number, because the mean of its divisors is an integer number (48572).

2145713 is an apocalyptic number.

It is an amenable number.

145713 is a deficient number, since it is larger than the sum of its proper divisors (48575).

145713 is an equidigital number, since it uses as much as digits as its factorization.

145713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48574.

The product of its digits is 420, while the sum is 21.

The square root of 145713 is about 381.7237220818. The cubic root of 145713 is about 52.6218484994.

The spelling of 145713 in words is "one hundred forty-five thousand, seven hundred thirteen".

Divisors: 1 3 48571 145713