141345155531 has 4 divisors (see below), whose sum is σ = 144012045312. Its totient is φ = 138678265752.

The previous prime is 141345155519. The next prime is 141345155593. The reversal of 141345155531 is 135551543141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 141345155531 - 2⁶ = 141345155467 is a prime.

It is a super-2 number, since 2×141345155531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141345155131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333444811 + ... + 1333444916.

It is an arithmetic number, because the mean of its divisors is an integer number (36003011328).

Almost surely, 2^141345155531 is an apocalyptic number.

141345155531 is a deficient number, since it is larger than the sum of its proper divisors (2666889781).

141345155531 is an equidigital number, since it uses as much as digits as its factorization.

141345155531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666889780.

The product of its digits is 90000, while the sum is 38.

Adding to 141345155531 its reverse (135551543141), we get a palindrome (276896698672).

The spelling of 141345155531 in words is "one hundred forty-one billion, three hundred forty-five million, one hundred fifty-five thousand, five hundred thirty-one".