Search a number
-
+
145733 = 7109191
BaseRepresentation
bin100011100101000101
321101220112
4203211011
514130413
63042405
71144610
oct434505
9241815
10145733
119a545
1270405
1351443
143b177
152d2a8
hex23945

145733 has 8 divisors (see below), whose sum is σ = 168960. Its totient is φ = 123120.

The previous prime is 145723. The next prime is 145753. The reversal of 145733 is 337541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145733 - 28 = 145477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145699 and 145708.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 668 + ... + 858.

It is an arithmetic number, because the mean of its divisors is an integer number (21120).

2145733 is an apocalyptic number.

It is an amenable number.

145733 is a deficient number, since it is larger than the sum of its proper divisors (23227).

145733 is a wasteful number, since it uses less digits than its factorization.

145733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 1260, while the sum is 23.

The square root of 145733 is about 381.7499181401. The cubic root of 145733 is about 52.6242559461.

It can be divided in two parts, 145 and 733, that added together give a palindrome (878).

The spelling of 145733 in words is "one hundred forty-five thousand, seven hundred thirty-three".

Divisors: 1 7 109 191 763 1337 20819 145733