145106123 has 8 divisors (see below), whose sum is σ = 148651008. Its totient is φ = 141569064.

The previous prime is 145106099. The next prime is 145106167. The reversal of 145106123 is 321601541.

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

It is a cyclic number.

It is not a de Polignac number, because 145106123 - 2¹⁰ = 145105099 is a prime.

It is a super-2 number, since 2×145106123² = 42111573864182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145106623) 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, 55790 + ... + 58332.

It is an arithmetic number, because the mean of its divisors is an integer number (18581376).

Almost surely, 2^145106123 is an apocalyptic number.

145106123 is a deficient number, since it is larger than the sum of its proper divisors (3544885).

145106123 is a wasteful number, since it uses less digits than its factorization.

145106123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 145106123 is about 12046.0002905529. Note that the first 3 decimals coincide. The cubic root of 145106123 is about 525.4869230071.

Adding to 145106123 its reverse (321601541), we get a palindrome (466707664).

The spelling of 145106123 in words is "one hundred forty-five million, one hundred six thousand, one hundred twenty-three".