Search a number
-
+
144744626 = 21329191969
BaseRepresentation
bin10001010000010…
…10000010110010
3101002100210022002
420220022002302
5244023312001
622210214002
73405210665
oct1050120262
9332323262
10144744626
1174782864
1240584302
1323cabb10
141531b6dc
15ca9246b
hex8a0a0b2

144744626 has 16 divisors (see below), whose sum is σ = 241882200. Its totient is φ = 64501248.

The previous prime is 144744601. The next prime is 144744653. The reversal of 144744626 is 626447441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59274601 + 85470025 = 7699^2 + 9245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144744626.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95231 + ... + 96738.

Almost surely, 2144744626 is an apocalyptic number.

144744626 is a deficient number, since it is larger than the sum of its proper divisors (97137574).

144744626 is a wasteful number, since it uses less digits than its factorization.

144744626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192013.

The product of its digits is 129024, while the sum is 38.

The square root of 144744626 is about 12030.9860776247. The cubic root of 144744626 is about 525.0501853764.

The spelling of 144744626 in words is "one hundred forty-four million, seven hundred forty-four thousand, six hundred twenty-six".

Divisors: 1 2 13 26 29 58 377 754 191969 383938 2495597 4991194 5567101 11134202 72372313 144744626