145040111623 has 4 divisors (see below), whose sum is σ = 158225576328. Its totient is φ = 131854646920.

The previous prime is 145040111563. The next prime is 145040111647. The reversal of 145040111623 is 326111040541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145040111623 is a prime.

It is a super-2 number, since 2×145040111623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145040111591 and 145040111600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040111663) 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, 6592732336 + ... + 6592732357.

It is an arithmetic number, because the mean of its divisors is an integer number (39556394082).

Almost surely, 2^145040111623 is an apocalyptic number.

145040111623 is a deficient number, since it is larger than the sum of its proper divisors (13185464705).

145040111623 is a wasteful number, since it uses less digits than its factorization.

145040111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13185464704.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 145040111623 in words is "one hundred forty-five billion, forty million, one hundred eleven thousand, six hundred twenty-three".