141531404 has 48 divisors (see below), whose sum is σ = 295680000. Its totient is φ = 59221008.

The previous prime is 141531371. The next prime is 141531419. The reversal of 141531404 is 404135141.

It is a super-2 number, since 2×141531404² = 40062276636422432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141531404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57797 + ... + 60195.

It is an arithmetic number, because the mean of its divisors is an integer number (6160000).

Almost surely, 2^141531404 is an apocalyptic number.

141531404 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 141531404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147840000).

141531404 is an abundant number, since it is smaller than the sum of its proper divisors (154148596).

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

141531404 is a wasteful number, since it uses less digits than its factorization.

141531404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 141531404 is about 11896.6971887159. The cubic root of 141531404 is about 521.1358357286.

Adding to 141531404 its reverse (404135141), we get a palindrome (545666545).

The spelling of 141531404 in words is "one hundred forty-one million, five hundred thirty-one thousand, four hundred four".