145641414691 has 8 divisors (see below), whose sum is σ = 146631222000. Its totient is φ = 144651772320.

The previous prime is 145641414623. The next prime is 145641414703. The reversal of 145641414691 is 196414146541.

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 145641414691 - 2¹¹ = 145641412643 is a prime.

It is a super-2 number, since 2×145641414691² (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 (145641414091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109996 + ... + 2177926.

It is an arithmetic number, because the mean of its divisors is an integer number (18328902750).

Almost surely, 2^145641414691 is an apocalyptic number.

145641414691 is a deficient number, since it is larger than the sum of its proper divisors (989807309).

145641414691 is a wasteful number, since it uses less digits than its factorization.

145641414691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82469.

The product of its digits is 414720, while the sum is 46.

The spelling of 145641414691 in words is "one hundred forty-five billion, six hundred forty-one million, four hundred fourteen thousand, six hundred ninety-one".