Search a number
-
+
144092915 = 5199144817
BaseRepresentation
bin10001001011010…
…10111011110011
3101001010200022122
420211222323303
5243341433130
622144224455
73366524651
oct1045527363
9331120278
10144092915
117437815a
124030b12b
1323b112a5
14151cbdd1
15c9b42e5
hex896aef3

144092915 has 8 divisors (see below), whose sum is σ = 173781600. Its totient is φ = 114694272.

The previous prime is 144092891. The next prime is 144092917. The reversal of 144092915 is 519290441.

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 144092915 - 210 = 144091891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144092917) 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, 71414 + ... + 73403.

It is an arithmetic number, because the mean of its divisors is an integer number (21722700).

Almost surely, 2144092915 is an apocalyptic number.

144092915 is a deficient number, since it is larger than the sum of its proper divisors (29688685).

144092915 is a wasteful number, since it uses less digits than its factorization.

144092915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145021.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 144092915 is about 12003.8708340268. The cubic root of 144092915 is about 524.2609889491.

The spelling of 144092915 in words is "one hundred forty-four million, ninety-two thousand, nine hundred fifteen".

Divisors: 1 5 199 995 144817 724085 28818583 144092915