Search a number
-
+
145925810 = 25101144481
BaseRepresentation
bin10001011001010…
…10011010110010
3101011120210120122
420230222122302
5244324111220
622251410242
73421230452
oct1054523262
9334523518
10145925810
117540a248
1240a53982
1324303644
1415547d62
15cc27425
hex8b2a6b2

145925810 has 16 divisors (see below), whose sum is σ = 265268952. Its totient is φ = 57792000.

The previous prime is 145925779. The next prime is 145925831. The reversal of 145925810 is 18529541.

It can be written as a sum of positive squares in 4 ways, for example, as 140256649 + 5669161 = 11843^2 + 2381^2 .

It is a super-2 number, since 2×1459258102 = 42588684048312200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71231 + ... + 73250.

Almost surely, 2145925810 is an apocalyptic number.

145925810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145925810 is a deficient number, since it is larger than the sum of its proper divisors (119343142).

145925810 is a wasteful number, since it uses less digits than its factorization.

145925810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144589.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 145925810 is about 12079.9755794455. The cubic root of 145925810 is about 526.4745364632.

It can be divided in two parts, 14592 and 5810, that added together give a palindrome (20402).

The spelling of 145925810 in words is "one hundred forty-five million, nine hundred twenty-five thousand, eight hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 144481 288962 722405 1444810 14592581 29185162 72962905 145925810