145615104123 has 16 divisors (see below), whose sum is σ = 201201472800. Its totient is φ = 93564504320.

The previous prime is 145615104097. The next prime is 145615104143. The reversal of 145615104123 is 321401516541.

It is a cyclic number.

It is not a de Polignac number, because 145615104123 - 2⁵ = 145615104091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145615104143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421268 + ... + 1520273.

It is an arithmetic number, because the mean of its divisors is an integer number (12575092050).

Almost surely, 2^145615104123 is an apocalyptic number.

145615104123 is a deficient number, since it is larger than the sum of its proper divisors (55586368677).

145615104123 is a wasteful number, since it uses less digits than its factorization.

145615104123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942142.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 145615104123 in words is "one hundred forty-five billion, six hundred fifteen million, one hundred four thousand, one hundred twenty-three".