131545245424 has 40 divisors (see below), whose sum is σ = 258756359168. Its totient is φ = 64770045120.

The previous prime is 131545245407. The next prime is 131545245427. The reversal of 131545245424 is 424542545131.

It is a super-3 number, since 3×131545245424³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131545245427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617059 + ... + 3653245.

Almost surely, 2^131545245424 is an apocalyptic number.

It is an amenable number.

131545245424 is a deficient number, since it is larger than the sum of its proper divisors (127211113744).

131545245424 is a wasteful number, since it uses less digits than its factorization.

131545245424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39653 (or 39647 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

The spelling of 131545245424 in words is "one hundred thirty-one billion, five hundred forty-five million, two hundred forty-five thousand, four hundred twenty-four".