145072015841 has 8 divisors (see below), whose sum is σ = 149049913320. Its totient is φ = 141097120128.

The previous prime is 145072015817. The next prime is 145072015861. The reversal of 145072015841 is 148510270541.

It can be written as a sum of positive squares in 4 ways, for example, as 133660435216 + 11411580625 = 365596^2 + 106825^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145072015841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145072015795 and 145072015804.

It is not an unprimeable number, because it can be changed into a prime (145072015811) 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, 652286 + ... + 845943.

It is an arithmetic number, because the mean of its divisors is an integer number (18631239165).

Almost surely, 2^145072015841 is an apocalyptic number.

It is an amenable number.

145072015841 is a deficient number, since it is larger than the sum of its proper divisors (3977897479).

145072015841 is a wasteful number, since it uses less digits than its factorization.

145072015841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500883.

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 145072015841 in words is "one hundred forty-five billion, seventy-two million, fifteen thousand, eight hundred forty-one".