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144157151 = 1137871621
BaseRepresentation
bin10001001011110…
…10100111011111
3101001020221102202
420211322213133
5243401012101
622145442115
73400213145
oct1045724737
9331227382
10144157151
1174411446
124034033b
1323b345b8
1415207595
15c9c836b
hex897a9df

144157151 has 8 divisors (see below), whose sum is σ = 145707504. Its totient is φ = 142611840.

The previous prime is 144157147. The next prime is 144157177. The reversal of 144157151 is 151751441.

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 144157151 - 22 = 144157147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144157751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88121 + ... + 89741.

It is an arithmetic number, because the mean of its divisors is an integer number (18213438).

Almost surely, 2144157151 is an apocalyptic number.

144157151 is a deficient number, since it is larger than the sum of its proper divisors (1550353).

144157151 is a wasteful number, since it uses less digits than its factorization.

144157151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its digits is 2800, while the sum is 29.

The square root of 144157151 is about 12006.5461728176. The cubic root of 144157151 is about 524.3388818047.

The spelling of 144157151 in words is "one hundred forty-four million, one hundred fifty-seven thousand, one hundred fifty-one".

Divisors: 1 113 787 1621 88931 183173 1275727 144157151