141042561 has 24 divisors (see below), whose sum is σ = 208807872. Its totient is φ = 84612000.

The previous prime is 141042541. The next prime is 141042581. The reversal of 141042561 is 165240141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (141042541) and next prime (141042581).

It is not a de Polignac number, because 141042561 - 2¹¹ = 141040513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141042521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34740 + ... + 38586.

It is an arithmetic number, because the mean of its divisors is an integer number (8700328).

Almost surely, 2^141042561 is an apocalyptic number.

141042561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141042561 is a deficient number, since it is larger than the sum of its proper divisors (67765311).

141042561 is a wasteful number, since it uses less digits than its factorization.

141042561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973 (or 3962 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 141042561 is about 11876.1340932140. The cubic root of 141042561 is about 520.5351504986.

The spelling of 141042561 in words is "one hundred forty-one million, forty-two thousand, five hundred sixty-one".