145024112 has 40 divisors (see below), whose sum is σ = 301386960. Its totient is φ = 67392000.

The previous prime is 145024109. The next prime is 145024123. The reversal of 145024112 is 211420541.

It is a happy number.

It is a super-2 number, since 2×145024112² = 42063986122777088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11612 + ... + 20612.

It is an arithmetic number, because the mean of its divisors is an integer number (7534674).

Almost surely, 2^145024112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145024112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150693480).

145024112 is an abundant number, since it is smaller than the sum of its proper divisors (156362848).

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

145024112 is a wasteful number, since it uses less digits than its factorization.

145024112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081 (or 9075 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 145024112 is about 12042.5957334787. The cubic root of 145024112 is about 525.3879062125.

Adding to 145024112 its reverse (211420541), we get a palindrome (356444653).

The spelling of 145024112 in words is "one hundred forty-five million, twenty-four thousand, one hundred twelve".