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144324251 = 3110874283
BaseRepresentation
bin10001001101000…
…11011010011011
3101001120102122122
420212203122123
5243421334001
622153211455
73401510261
oct1046433233
9331512578
10144324251
1174515a45
1240400b8b
1323b92686
141524c431
15ca0cb1b
hex89a369b

144324251 has 8 divisors (see below), whose sum is σ = 149151744. Its totient is φ = 139507560.

The previous prime is 144324233. The next prime is 144324259. The reversal of 144324251 is 152423441.

144324251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144324251 - 226 = 77215387 is a prime.

It is a super-2 number, since 2×1443242512 = 41658978853422002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144324251.

It is not an unprimeable number, because it can be changed into a prime (144324259) 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, 31556 + ... + 35838.

It is an arithmetic number, because the mean of its divisors is an integer number (18643968).

Almost surely, 2144324251 is an apocalyptic number.

144324251 is a deficient number, since it is larger than the sum of its proper divisors (4827493).

144324251 is a wasteful number, since it uses less digits than its factorization.

144324251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401.

The product of its digits is 3840, while the sum is 26.

The square root of 144324251 is about 12013.5028613640. The cubic root of 144324251 is about 524.5413996692.

Adding to 144324251 its reverse (152423441), we get a palindrome (296747692).

The spelling of 144324251 in words is "one hundred forty-four million, three hundred twenty-four thousand, two hundred fifty-one".

Divisors: 1 31 1087 4283 33697 132773 4655621 144324251