131545043 has 16 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 110285376.

The previous prime is 131545039. The next prime is 131545061. The reversal of 131545043 is 340545131.

It is a cyclic number.

It is not a de Polignac number, because 131545043 - 2² = 131545039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131545003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95546 + ... + 96912.

It is an arithmetic number, because the mean of its divisors is an integer number (9603360).

Almost surely, 2^131545043 is an apocalyptic number.

131545043 is a deficient number, since it is larger than the sum of its proper divisors (22108717).

131545043 is a wasteful number, since it uses less digits than its factorization.

131545043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 131545043 is about 11469.3087411579. The cubic root of 131545043 is about 508.5786942237.

The spelling of 131545043 in words is "one hundred thirty-one million, five hundred forty-five thousand, forty-three".