141231555 has 24 divisors (see below), whose sum is σ = 247757328. Its totient is φ = 74414016.

The previous prime is 141231533. The next prime is 141231557. The reversal of 141231555 is 555132141.

It is not a de Polignac number, because 141231555 - 2¹² = 141227459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141231557) 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, 15172 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (10323222).

Almost surely, 2^141231555 is an apocalyptic number.

141231555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

141231555 is a deficient number, since it is larger than the sum of its proper divisors (106525773).

141231555 is a wasteful number, since it uses less digits than its factorization.

141231555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37907 (or 37904 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 141231555 is about 11884.0883116880. The cubic root of 141231555 is about 520.7675486975.

Adding to 141231555 its reverse (555132141), we get a palindrome (696363696).

The spelling of 141231555 in words is "one hundred forty-one million, two hundred thirty-one thousand, five hundred fifty-five".