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144181051 = 741212253
BaseRepresentation
bin10001001100000…
…00011100111011
3101001022011012221
420212000130323
5243402243201
622150144511
73400342630
oct1046003473
9331264187
10144181051
11744283a3
1240352137
1323b42441
1415212187
15c9d04a1
hex898073b

144181051 has 12 divisors (see below), whose sum is σ = 168909136. Its totient is φ = 120559680.

The previous prime is 144181033. The next prime is 144181057. The reversal of 144181051 is 150181441.

It is not a de Polignac number, because 144181051 - 27 = 144180923 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144181057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5641 + ... + 17893.

Almost surely, 2144181051 is an apocalyptic number.

144181051 is a deficient number, since it is larger than the sum of its proper divisors (24728085).

144181051 is an equidigital number, since it uses as much as digits as its factorization.

144181051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342 (or 12301 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 144181051 is about 12007.5414219565. The cubic root of 144181051 is about 524.3678571433.

The spelling of 144181051 in words is "one hundred forty-four million, one hundred eighty-one thousand, fifty-one".

Divisors: 1 7 41 287 1681 11767 12253 85771 502373 3516611 20597293 144181051