145611117043 has 4 divisors (see below), whose sum is σ = 166412705200. Its totient is φ = 124809528888.

The previous prime is 145611117037. The next prime is 145611117077. The reversal of 145611117043 is 340711116541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340711116541 = 3137 ⋅108610493.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145611117043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145611117643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10400794068 + ... + 10400794081.

It is an arithmetic number, because the mean of its divisors is an integer number (41603176300).

Almost surely, 2^145611117043 is an apocalyptic number.

145611117043 is a deficient number, since it is larger than the sum of its proper divisors (20801588157).

145611117043 is an equidigital number, since it uses as much as digits as its factorization.

145611117043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20801588156.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 145611117043 in words is "one hundred forty-five billion, six hundred eleven million, one hundred seventeen thousand, forty-three".