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144231102 = 2328012839
BaseRepresentation
bin10001001100011…
…00101010111110
3101001101200212200
420212030222332
5243410343402
622151212330
73400641561
oct1046145276
9331350780
10144231102
1174461a64
12403770a6
1323b5c162
14152264d8
15c9e021c
hex898cabe

144231102 has 12 divisors (see below), whose sum is σ = 312500760. Its totient is φ = 48077028.

The previous prime is 144231083. The next prime is 144231107. The reversal of 144231102 is 201132441.

144231102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1442311022 = 41605221568268808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8012839 = 144231102 / (1 + 4 + 4 + 2 + 3 + 1 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4006402 + ... + 4006437.

It is an arithmetic number, because the mean of its divisors is an integer number (26041730).

Almost surely, 2144231102 is an apocalyptic number.

144231102 is an abundant number, since it is smaller than the sum of its proper divisors (168269658).

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

144231102 is a wasteful number, since it uses less digits than its factorization.

144231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012847 (or 8012844 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144231102 is about 12009.6253896614. The cubic root of 144231102 is about 524.4285264641.

Adding to 144231102 its reverse (201132441), we get a palindrome (345363543).

The spelling of 144231102 in words is "one hundred forty-four million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 3 6 9 18 8012839 16025678 24038517 48077034 72115551 144231102