145978112 has 108 divisors (see below), whose sum is σ = 351118320. Its totient is φ = 59265024.

The previous prime is 145978109. The next prime is 145978117. The reversal of 145978112 is 211879541.

It is not an unprimeable number, because it can be changed into a prime (145978117) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2754278 + ... + 2754330.

Almost surely, 2^145978112 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 145978112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175559160).

145978112 is an abundant number, since it is smaller than the sum of its proper divisors (205140208).

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

145978112 is an frugal number, since it uses more digits than its factorization.

145978112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 91 counting only the distinct ones).

The product of its digits is 20160, while the sum is 38.

The square root of 145978112 is about 12082.1402077612. The cubic root of 145978112 is about 526.5374277413.

The spelling of 145978112 in words is "one hundred forty-five million, nine hundred seventy-eight thousand, one hundred twelve".