Search a number
-
+
145802527 = 1311215579
BaseRepresentation
bin10001011000011…
…00010100011111
3101011100112110121
420230030110133
5244311140102
622245015411
73420205153
oct1054142437
9334315417
10145802527
1175335662
12409b4567
132428c4b0
1415515063
15cc00b37
hex8b0c51f

145802527 has 4 divisors (see below), whose sum is σ = 157018120. Its totient is φ = 134586936.

The previous prime is 145802513. The next prime is 145802549. The reversal of 145802527 is 725208541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145802527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145802492 and 145802501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145802567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5607777 + ... + 5607802.

It is an arithmetic number, because the mean of its divisors is an integer number (39254530).

Almost surely, 2145802527 is an apocalyptic number.

145802527 is a deficient number, since it is larger than the sum of its proper divisors (11215593).

145802527 is a wasteful number, since it uses less digits than its factorization.

145802527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215592.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145802527 is about 12074.8717177451. The cubic root of 145802527 is about 526.3262335985.

The spelling of 145802527 in words is "one hundred forty-five million, eight hundred two thousand, five hundred twenty-seven".

Divisors: 1 13 11215579 145802527