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144137799 = 3413136883
BaseRepresentation
bin10001001011101…
…01111001000111
3101001012221220000
420211311321013
5243344402144
622145212343
73400102551
oct1045657107
9331187800
10144137799
11743a8953
12403310b3
1323b28850
14152004d1
15c9c2769
hex8975e47

144137799 has 20 divisors (see below), whose sum is σ = 231881496. Its totient is φ = 88699536.

The previous prime is 144137789. The next prime is 144137809. The reversal of 144137799 is 997731441.

It is an interprime number because it is at equal distance from previous prime (144137789) and next prime (144137809).

It is not a de Polignac number, because 144137799 - 24 = 144137783 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144137729) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67389 + ... + 69494.

Almost surely, 2144137799 is an apocalyptic number.

144137799 is a deficient number, since it is larger than the sum of its proper divisors (87743697).

144137799 is a wasteful number, since it uses less digits than its factorization.

144137799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136908 (or 136899 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 144137799 is about 12005.7402520628. The cubic root of 144137799 is about 524.3154179204.

The spelling of 144137799 in words is "one hundred forty-four million, one hundred thirty-seven thousand, seven hundred ninety-nine".

Divisors: 1 3 9 13 27 39 81 117 351 1053 136883 410649 1231947 1779479 3695841 5338437 11087523 16015311 48045933 144137799