131454243 has 12 divisors (see below), whose sum is σ = 190361808. Its totient is φ = 87413040.

The previous prime is 131454221. The next prime is 131454247. The reversal of 131454243 is 342454131.

It is a happy number.

It is not a de Polignac number, because 131454243 - 2¹² = 131450147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131454247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14823 + ... + 21968.

It is an arithmetic number, because the mean of its divisors is an integer number (15863484).

Almost surely, 2^131454243 is an apocalyptic number.

131454243 is a deficient number, since it is larger than the sum of its proper divisors (58907565).

131454243 is a wasteful number, since it uses less digits than its factorization.

131454243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37194 (or 37191 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 131454243 is about 11465.3496675854. The cubic root of 131454243 is about 508.4616504755.

The spelling of 131454243 in words is "one hundred thirty-one million, four hundred fifty-four thousand, two hundred forty-three".