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144401526 = 2328022307
BaseRepresentation
bin10001001101101…
…10010001110110
3101001201100122200
420212312101312
5243431322101
622155005330
73402251463
oct1046662166
9331640580
10144401526
1174569005
1240439846
1323bbb8b9
141526c66a
15ca25986
hex89b6476

144401526 has 12 divisors (see below), whose sum is σ = 312870012. Its totient is φ = 48133836.

The previous prime is 144401513. The next prime is 144401533. The reversal of 144401526 is 625104441.

144401526 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 2×1444015262 = 41703601422257352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) 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 144401526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4011136 + ... + 4011171.

It is an arithmetic number, because the mean of its divisors is an integer number (26072501).

Almost surely, 2144401526 is an apocalyptic number.

144401526 is an abundant number, since it is smaller than the sum of its proper divisors (168468486).

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

144401526 is a wasteful number, since it uses less digits than its factorization.

144401526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022315 (or 8022312 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 144401526 is about 12016.7186036788. The cubic root of 144401526 is about 524.6350007197.

Adding to 144401526 its reverse (625104441), we get a palindrome (769505967).

The spelling of 144401526 in words is "one hundred forty-four million, four hundred one thousand, five hundred twenty-six".

Divisors: 1 2 3 6 9 18 8022307 16044614 24066921 48133842 72200763 144401526