Search a number
-
+
145927 = 731999
BaseRepresentation
bin100011101000000111
321102011201
4203220013
514132202
63043331
71145305
oct435007
9242151
10145927
119a701
1270547
1351562
143b275
152d387
hex23a07

145927 has 4 divisors (see below), whose sum is σ = 148000. Its totient is φ = 143856.

The previous prime is 145903. The next prime is 145931. The reversal of 145927 is 729541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729541 = 1734217.

It is a cyclic number.

It is not a de Polignac number, because 145927 - 27 = 145799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145895 and 145904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145967) 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, 927 + ... + 1072.

It is an arithmetic number, because the mean of its divisors is an integer number (37000).

2145927 is an apocalyptic number.

145927 is a deficient number, since it is larger than the sum of its proper divisors (2073).

145927 is an equidigital number, since it uses as much as digits as its factorization.

145927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072.

The product of its digits is 2520, while the sum is 28.

The square root of 145927 is about 382.0039266814. The cubic root of 145927 is about 52.6475967563.

It can be divided in two parts, 1459 and 27, that multiplied together give a palindrome (39393).

The spelling of 145927 in words is "one hundred forty-five thousand, nine hundred twenty-seven".

Divisors: 1 73 1999 145927