Search a number
-
+
144811732 = 221329109881
BaseRepresentation
bin10001010000110…
…10011011010100
3101002111012100111
420220122123110
5244032433412
622211452404
73405610432
oct1050323324
9332435314
10144811732
117481921a
12405b7104
1324003520
1415337d52
15caa72a7
hex8a1a6d4

144811732 has 48 divisors (see below), whose sum is σ = 285238800. Its totient is φ = 63866880.

The previous prime is 144811727. The next prime is 144811789. The reversal of 144811732 is 237118441.

It can be written as a sum of positive squares in 8 ways, for example, as 9461776 + 135349956 = 3076^2 + 11634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144811694 and 144811703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163932 + ... + 164812.

It is an arithmetic number, because the mean of its divisors is an integer number (5942475).

Almost surely, 2144811732 is an apocalyptic number.

It is an amenable number.

144811732 is a deficient number, since it is larger than the sum of its proper divisors (140427068).

144811732 is a wasteful number, since it uses less digits than its factorization.

144811732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 1034 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 144811732 is about 12033.7746364140. The cubic root of 144811732 is about 525.1313134871.

The spelling of 144811732 in words is "one hundred forty-four million, eight hundred eleven thousand, seven hundred thirty-two".

Divisors: 1 2 4 13 26 29 52 58 109 116 218 377 436 754 881 1417 1508 1762 2834 3161 3524 5668 6322 11453 12644 22906 25549 41093 45812 51098 82186 96029 102196 164372 192058 332137 384116 664274 1248377 1328548 2496754 2784841 4993508 5569682 11139364 36202933 72405866 144811732