145332123 has 16 divisors (see below), whose sum is σ = 202776576. Its totient is φ = 92473920.

The previous prime is 145332107. The next prime is 145332127. The reversal of 145332123 is 321233541.

It is not a de Polignac number, because 145332123 - 2⁴ = 145332107 is a prime.

It is a super-2 number, since 2×145332123² = 42242851951374258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145332093 and 145332102.

It is not an unprimeable number, because it can be changed into a prime (145332127) 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, 3915 + ... + 17492.

It is an arithmetic number, because the mean of its divisors is an integer number (12673536).

Almost surely, 2^145332123 is an apocalyptic number.

145332123 is a deficient number, since it is larger than the sum of its proper divisors (57444453).

145332123 is a wasteful number, since it uses less digits than its factorization.

145332123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21514.

The product of its digits is 2160, while the sum is 24.

The square root of 145332123 is about 12055.3773478892. The cubic root of 145332123 is about 525.7595934268.

Adding to 145332123 its reverse (321233541), we get a palindrome (466565664).

The spelling of 145332123 in words is "one hundred forty-five million, three hundred thirty-two thousand, one hundred twenty-three".