141665535 has 48 divisors (see below), whose sum is σ = 269961120. Its totient is φ = 68152320.

The previous prime is 141665527. The next prime is 141665591. The reversal of 141665535 is 535566141.

141665535 is a `hidden beast` number, since 1 + 41 + 66 + 553 + 5 = 666.

It is not a de Polignac number, because 141665535 - 2³ = 141665527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141665535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66771 + ... + 68859.

It is an arithmetic number, because the mean of its divisors is an integer number (5624190).

Almost surely, 2^141665535 is an apocalyptic number.

141665535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141665535 is a deficient number, since it is larger than the sum of its proper divisors (128295585).

141665535 is a wasteful number, since it uses less digits than its factorization.

141665535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248 (or 2245 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 141665535 is about 11902.3331746343. Note that the first 3 decimals coincide. The cubic root of 141665535 is about 521.3004126319.

It can be divided in two parts, 14166 and 5535, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 141665535 in words is "one hundred forty-one million, six hundred sixty-five thousand, five hundred thirty-five".