101742864945 has 8 divisors (see below), whose sum is σ = 162788583936. Its totient is φ = 54262861296.

The previous prime is 101742864943. The next prime is 101742864947. The reversal of 101742864945 is 549468247101.

It is an interprime number because it is at equal distance from previous prime (101742864943) and next prime (101742864947).

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

It is not a de Polignac number, because 101742864945 - 2¹ = 101742864943 is a prime.

It is a super-2 number, since 2×101742864945² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101742864943) 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, 3391428817 + ... + 3391428846.

It is an arithmetic number, because the mean of its divisors is an integer number (20348572992).

Almost surely, 2^101742864945 is an apocalyptic number.

101742864945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101742864945 is a deficient number, since it is larger than the sum of its proper divisors (61045718991).

101742864945 is an equidigital number, since it uses as much as digits as its factorization.

101742864945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6782857671.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 101742864945 in words is "one hundred one billion, seven hundred forty-two million, eight hundred sixty-four thousand, nine hundred forty-five".