131554845 has 24 divisors (see below), whose sum is σ = 233334816. Its totient is φ = 68529888.

The previous prime is 131554811. The next prime is 131554847. The reversal of 131554845 is 548455131.

It is not a de Polignac number, because 131554845 - 2⁶ = 131554781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131554847) 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, 32059 + ... + 35928.

It is an arithmetic number, because the mean of its divisors is an integer number (9722284).

Almost surely, 2^131554845 is an apocalyptic number.

131554845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131554845 is a deficient number, since it is larger than the sum of its proper divisors (101779971).

131554845 is a wasteful number, since it uses less digits than its factorization.

131554845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68041 (or 68038 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 131554845 is about 11469.7360475296. The cubic root of 131554845 is about 508.5913260554.

The spelling of 131554845 in words is "one hundred thirty-one million, five hundred fifty-four thousand, eight hundred forty-five".