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144100142 = 2193792109
BaseRepresentation
bin10001001011011…
…00101100101110
3101001011001020022
420211230230232
5243342201032
622144322142
73366555014
oct1045545456
9331131208
10144100142
117438262a
1240313352
1323b14674
14151d08b4
15c9b6512
hex896cb2e

144100142 has 8 divisors (see below), whose sum is σ = 227526600. Its totient is φ = 68257944.

The previous prime is 144100139. The next prime is 144100171. The reversal of 144100142 is 241001441.

144100142 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 super-3 number, since 3×1441001423 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144100142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896017 + ... + 1896092.

It is an arithmetic number, because the mean of its divisors is an integer number (28440825).

Almost surely, 2144100142 is an apocalyptic number.

144100142 is a deficient number, since it is larger than the sum of its proper divisors (83426458).

144100142 is a wasteful number, since it uses less digits than its factorization.

144100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792130.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144100142 is about 12004.1718581500. The cubic root of 144100142 is about 524.2697535966.

Adding to 144100142 its reverse (241001441), we get a palindrome (385101583).

The spelling of 144100142 in words is "one hundred forty-four million, one hundred thousand, one hundred forty-two".

Divisors: 1 2 19 38 3792109 7584218 72050071 144100142