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144347412 = 223111093541
BaseRepresentation
bin10001001101010…
…01000100010100
3101001121121102110
420212221010110
5243423104122
622153511020
73401634636
oct1046510424
9331547373
10144347412
1174531390
1240412470
1323ba0091
1415256a56
15ca1490c
hex89a9114

144347412 has 24 divisors (see below), whose sum is σ = 367430112. Its totient is φ = 43741600.

The previous prime is 144347407. The next prime is 144347417. The reversal of 144347412 is 214743441.

It is an interprime number because it is at equal distance from previous prime (144347407) and next prime (144347417).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144347412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144347417) 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, 546639 + ... + 546902.

It is an arithmetic number, because the mean of its divisors is an integer number (15309588).

Almost surely, 2144347412 is an apocalyptic number.

144347412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144347412 is an abundant number, since it is smaller than the sum of its proper divisors (223082700).

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

144347412 is a wasteful number, since it uses less digits than its factorization.

144347412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093559 (or 1093557 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 144347412 is about 12014.4667796786. The cubic root of 144347412 is about 524.5694574476.

The spelling of 144347412 in words is "one hundred forty-four million, three hundred forty-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1093541 2187082 3280623 4374164 6561246 12028951 13122492 24057902 36086853 48115804 72173706 144347412