Search a number
-
+
141565141 = 286149481
BaseRepresentation
bin10000111000000…
…01110011010101
3100212101020212101
420130001303111
5242220041031
622014122101
73336166234
oct1034016325
9325336771
10141565141
1172a00a93
123b4b0331
1323437873
1414b30b1b
15c665361
hex8701cd5

141565141 has 4 divisors (see below), whose sum is σ = 141617484. Its totient is φ = 141512800.

The previous prime is 141565139. The next prime is 141565163.

141565141 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46580625 + 94984516 = 6825^2 + 9746^2 .

It is a cyclic number.

It is not a de Polignac number, because 141565141 - 21 = 141565139 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 (141565121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21880 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (35404371).

Almost surely, 2141565141 is an apocalyptic number.

It is an amenable number.

141565141 is a deficient number, since it is larger than the sum of its proper divisors (52343).

141565141 is an equidigital number, since it uses as much as digits as its factorization.

141565141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52342.

The product of its digits is 2400, while the sum is 28.

The square root of 141565141 is about 11898.1150187750. The cubic root of 141565141 is about 521.1772403507.

The spelling of 141565141 in words is "one hundred forty-one million, five hundred sixty-five thousand, one hundred forty-one".

Divisors: 1 2861 49481 141565141