145153123 has 4 divisors (see below), whose sum is σ = 153691560. Its totient is φ = 136614688.

The previous prime is 145153121. The next prime is 145153159. The reversal of 145153123 is 321351541.

It is a happy number.

145153123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145153123 - 2¹ = 145153121 is a prime.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (145153121) 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, 4269193 + ... + 4269226.

It is an arithmetic number, because the mean of its divisors is an integer number (38422890).

Almost surely, 2^145153123 is an apocalyptic number.

145153123 is a deficient number, since it is larger than the sum of its proper divisors (8538437).

145153123 is an equidigital number, since it uses as much as digits as its factorization.

145153123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538436.

The product of its digits is 1800, while the sum is 25.

The square root of 145153123 is about 12047.9509876161. The cubic root of 145153123 is about 525.5436521071.

The spelling of 145153123 in words is "one hundred forty-five million, one hundred fifty-three thousand, one hundred twenty-three".