145223124 has 12 divisors (see below), whose sum is σ = 338853984. Its totient is φ = 48407704.

The previous prime is 145223119. The next prime is 145223149. The reversal of 145223124 is 421322541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 145223094 and 145223103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050952 + ... + 6050975.

It is an arithmetic number, because the mean of its divisors is an integer number (28237832).

Almost surely, 2^145223124 is an apocalyptic number.

It is an amenable number.

145223124 is an abundant number, since it is smaller than the sum of its proper divisors (193630860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145223124 is a wasteful number, since it uses less digits than its factorization.

145223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12101934 (or 12101932 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 145223124 is about 12050.8557372495. The cubic root of 145223124 is about 525.6281207661.

Adding to 145223124 its reverse (421322541), we get a palindrome (566545665).

The spelling of 145223124 in words is "one hundred forty-five million, two hundred twenty-three thousand, one hundred twenty-four".