141531617 has 4 divisors (see below), whose sum is σ = 144542976. Its totient is φ = 138520260.

The previous prime is 141531601. The next prime is 141531641. The reversal of 141531617 is 716135141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141531617 - 2⁴ = 141531601 is a prime.

It is a super-2 number, since 2×141531617² = 40062397221269378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141531617.

It is not an unprimeable number, because it can be changed into a prime (141531667) 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, 1505609 + ... + 1505702.

It is an arithmetic number, because the mean of its divisors is an integer number (36135744).

Almost surely, 2^141531617 is an apocalyptic number.

It is an amenable number.

141531617 is a deficient number, since it is larger than the sum of its proper divisors (3011359).

141531617 is an equidigital number, since it uses as much as digits as its factorization.

141531617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011358.

The product of its digits is 2520, while the sum is 29.

The square root of 141531617 is about 11896.7061407770. The cubic root of 141531617 is about 521.1360971591.

Adding to 141531617 its reverse (716135141), we get a palindrome (857666758).

The spelling of 141531617 in words is "one hundred forty-one million, five hundred thirty-one thousand, six hundred seventeen".