141645631 has 8 divisors (see below), whose sum is σ = 142529904. Its totient is φ = 140764800.

The previous prime is 141645629. The next prime is 141645643. The reversal of 141645631 is 136546141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141645631 - 2¹ = 141645629 is a prime.

It is a super-2 number, since 2×141645631² = 40126969562776322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141645593 and 141645602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141645131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149100 + ... + 150046.

It is an arithmetic number, because the mean of its divisors is an integer number (17816238).

Almost surely, 2^141645631 is an apocalyptic number.

141645631 is a deficient number, since it is larger than the sum of its proper divisors (884273).

141645631 is an equidigital number, since it uses as much as digits as its factorization.

141645631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its digits is 8640, while the sum is 31.

The square root of 141645631 is about 11901.4970066795. The cubic root of 141645631 is about 521.2759972618.

The spelling of 141645631 in words is "one hundred forty-one million, six hundred forty-five thousand, six hundred thirty-one".