131448044 has 48 divisors (see below), whose sum is σ = 284234496. Its totient is φ = 51796800.

The previous prime is 131448043. The next prime is 131448071. The reversal of 131448044 is 440844131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131447998 and 131448016.

It is not an unprimeable number, because it can be changed into a prime (131448043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119939 + ... + 121029.

It is an arithmetic number, because the mean of its divisors is an integer number (5921552).

Almost surely, 2^131448044 is an apocalyptic number.

131448044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131448044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142117248).

131448044 is an abundant number, since it is smaller than the sum of its proper divisors (152786452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131448044 is a wasteful number, since it uses less digits than its factorization.

131448044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1444 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 131448044 is about 11465.0793281163. The cubic root of 131448044 is about 508.4536578254.

The spelling of 131448044 in words is "one hundred thirty-one million, four hundred forty-eight thousand, forty-four".