145550123 has 8 divisors (see below), whose sum is σ = 149359056. Its totient is φ = 141753600.

The previous prime is 145550081. The next prime is 145550129. The reversal of 145550123 is 321055541.

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 145550123 - 2⁶ = 145550059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145550092 and 145550101.

It is not an unprimeable number, because it can be changed into a prime (145550129) 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, 23603 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (18669882).

Almost surely, 2^145550123 is an apocalyptic number.

145550123 is a deficient number, since it is larger than the sum of its proper divisors (3808933).

145550123 is an equidigital number, since it uses as much as digits as its factorization.

145550123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6205.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 145550123 is about 12064.4155681077. The cubic root of 145550123 is about 526.0223440802.

The spelling of 145550123 in words is "one hundred forty-five million, five hundred fifty thousand, one hundred twenty-three".