101645641142 has 4 divisors (see below), whose sum is σ = 152468461716. Its totient is φ = 50822820570.

The previous prime is 101645641061. The next prime is 101645641159. The reversal of 101645641142 is 241146546101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241146546101 = 19 ⋅12691923479.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25411410284 + ... + 25411410287.

It is an arithmetic number, because the mean of its divisors is an integer number (38117115429).

Almost surely, 2^101645641142 is an apocalyptic number.

101645641142 is a deficient number, since it is larger than the sum of its proper divisors (50822820574).

101645641142 is an equidigital number, since it uses as much as digits as its factorization.

101645641142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50822820573.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 101645641142 in words is "one hundred one billion, six hundred forty-five million, six hundred forty-one thousand, one hundred forty-two".