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141223301 = 1729286457
BaseRepresentation
bin10000110101011…
…10010110000101
3100211201212221122
420122232112011
5242123121201
622002523325
73333243512
oct1032562605
9324655848
10141223301
117279817a
123b366545
13233480ab
1414a82309
15c5e8e1b
hex86ae585

141223301 has 8 divisors (see below), whose sum is σ = 154687320. Its totient is φ = 128332288.

The previous prime is 141223273. The next prime is 141223307. The reversal of 141223301 is 103322141.

It can be written as a sum of positive squares in 4 ways, for example, as 64240225 + 76983076 = 8015^2 + 8774^2 .

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 141223301 - 226 = 74114437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141223301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141223307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142736 + ... + 143721.

It is an arithmetic number, because the mean of its divisors is an integer number (19335915).

Almost surely, 2141223301 is an apocalyptic number.

It is an amenable number.

141223301 is a deficient number, since it is larger than the sum of its proper divisors (13464019).

141223301 is a wasteful number, since it uses less digits than its factorization.

141223301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286503.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 141223301 is about 11883.7410355494. The cubic root of 141223301 is about 520.7574034221.

Adding to 141223301 its reverse (103322141), we get a palindrome (244545442).

The spelling of 141223301 in words is "one hundred forty-one million, two hundred twenty-three thousand, three hundred one".

Divisors: 1 17 29 493 286457 4869769 8307253 141223301