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141520144 = 249299521
BaseRepresentation
bin10000110111101…
…10110100010000
3100212021222010211
420123312310100
5242212121034
622013133504
73335621113
oct1033666420
9325258124
10141520144
11729801a7
123b48a294
132342023c
1414b1c57a
15c656d64
hex86f6d10

141520144 has 20 divisors (see below), whose sum is σ = 274519260. Its totient is φ = 70676480.

The previous prime is 141520129. The next prime is 141520157. The reversal of 141520144 is 441025141.

It can be written as a sum of positive squares in 2 ways, for example, as 24880144 + 116640000 = 4988^2 + 10800^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10104 + ... + 19624.

It is an arithmetic number, because the mean of its divisors is an integer number (13725963).

Almost surely, 2141520144 is an apocalyptic number.

It is an amenable number.

141520144 is a deficient number, since it is larger than the sum of its proper divisors (132999116).

141520144 is an equidigital number, since it uses as much as digits as its factorization.

141520144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458 (or 10452 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 141520144 is about 11896.2239387127. The cubic root of 141520144 is about 521.1220151325.

Adding to 141520144 its reverse (441025141), we get a palindrome (582545285).

The spelling of 141520144 in words is "one hundred forty-one million, five hundred twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 929 1858 3716 7432 9521 14864 19042 38084 76168 152336 8845009 17690018 35380036 70760072 141520144