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144135652 = 2247766679
BaseRepresentation
bin10001001011101…
…01010111100100
3101001012211221111
420211311113210
5243344320102
622145154404
73400063363
oct1045652744
9331184844
10144135652
11743a7281
124032ba04
1323b2788b
14151dd7da
15c9c1cd7
hex89755e4

144135652 has 12 divisors (see below), whose sum is σ = 257604480. Its totient is φ = 70534376.

The previous prime is 144135637. The next prime is 144135659. The reversal of 144135652 is 256531441.

It is a happy number.

144135652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144135659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383152 + ... + 383527.

It is an arithmetic number, because the mean of its divisors is an integer number (21467040).

Almost surely, 2144135652 is an apocalyptic number.

It is an amenable number.

144135652 is a deficient number, since it is larger than the sum of its proper divisors (113468828).

144135652 is a wasteful number, since it uses less digits than its factorization.

144135652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766730 (or 766728 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 144135652 is about 12005.6508361688. The cubic root of 144135652 is about 524.3128145996.

The spelling of 144135652 in words is "one hundred forty-four million, one hundred thirty-five thousand, six hundred fifty-two".

Divisors: 1 2 4 47 94 188 766679 1533358 3066716 36033913 72067826 144135652