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144120134 = 272060067
BaseRepresentation
bin10001001011100…
…01100101000110
3101001012001122202
420211301211012
5243343321014
622144554502
73400000214
oct1045614506
9331161582
10144120134
1174396654
1240322a32
1323b207b2
14151d7cb4
15c9bc3de
hex8971946

144120134 has 4 divisors (see below), whose sum is σ = 216180204. Its totient is φ = 72060066.

The previous prime is 144120089. The next prime is 144120157. The reversal of 144120134 is 431021441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431021441 = 1922685339.

It is a super-2 number, since 2×1441201342 = 41541226048355912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36030032 + ... + 36030035.

It is an arithmetic number, because the mean of its divisors is an integer number (54045051).

Almost surely, 2144120134 is an apocalyptic number.

144120134 is a deficient number, since it is larger than the sum of its proper divisors (72060070).

144120134 is an equidigital number, since it uses as much as digits as its factorization.

144120134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72060069.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144120134 is about 12005.0045397742. The cubic root of 144120134 is about 524.2939976538.

Adding to 144120134 its reverse (431021441), we get a palindrome (575141575).

The spelling of 144120134 in words is "one hundred forty-four million, one hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 72060067 144120134