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144542692 = 22710934723
BaseRepresentation
bin10001001110110…
…00101111100100
3101001222112022001
420213120233210
5244000331232
622202015044
73403410160
oct1047305744
9331875261
10144542692
1174655078
12404a7484
1323c3ac28
14152a7ca0
15ca526e7
hex89d8be4

144542692 has 24 divisors (see below), whose sum is σ = 289411136. Its totient is φ = 61877088.

The previous prime is 144542669. The next prime is 144542693. The reversal of 144542692 is 296245441.

144542692 is digitally balanced in base 2 and base 3, because in such bases 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 (144542693) 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, 28243 + ... + 32965.

Almost surely, 2144542692 is an apocalyptic number.

It is an amenable number.

144542692 is an abundant number, since it is smaller than the sum of its proper divisors (144868444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144542692 is a wasteful number, since it uses less digits than its factorization.

144542692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827 (or 5825 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 144542692 is about 12022.5909021309. The cubic root of 144542692 is about 524.8059049706.

The spelling of 144542692 in words is "one hundred forty-four million, five hundred forty-two thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 1093 2186 4372 4723 7651 9446 15302 18892 30604 33061 66122 132244 5162239 10324478 20648956 36135673 72271346 144542692