Search a number
-
+
144202054 = 272101027
BaseRepresentation
bin10001001100001…
…01100101000110
3101001100020000211
420212011211012
5243403431204
622150430034
73400461103
oct1046054506
9331306024
10144202054
1174442157
124036231a
1323b4bb79
1415219aaa
15c9d6804
hex8985946

144202054 has 4 divisors (see below), whose sum is σ = 216303084. Its totient is φ = 72101026.

The previous prime is 144202021. The next prime is 144202067. The reversal of 144202054 is 450202441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36050512 + ... + 36050515.

It is an arithmetic number, because the mean of its divisors is an integer number (54075771).

Almost surely, 2144202054 is an apocalyptic number.

144202054 is a deficient number, since it is larger than the sum of its proper divisors (72101030).

144202054 is an equidigital number, since it uses as much as digits as its factorization.

144202054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72101029.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 144202054 is about 12008.4159654802. The cubic root of 144202054 is about 524.3933176397.

Adding to 144202054 its reverse (450202441), we get a palindrome (594404495).

The spelling of 144202054 in words is "one hundred forty-four million, two hundred two thousand, fifty-four".

Divisors: 1 2 72101027 144202054