145454112 has 36 divisors (see below), whose sum is σ = 413635950. Its totient is φ = 48484608.

The previous prime is 145454081. The next prime is 145454117. The reversal of 145454112 is 211454541.

145454112 is a `hidden beast` number, since 1 + 4 + 545 + 4 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131882256 + 13571856 = 11484^2 + 3684^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (145454117) 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 5 ways as a sum of consecutive naturals, for example, 252237 + ... + 252812.

Almost surely, 2^145454112 is an apocalyptic number.

145454112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145454112 is an abundant number, since it is smaller than the sum of its proper divisors (268181838).

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

145454112 is a wasteful number, since it uses less digits than its factorization.

145454112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505065 (or 505054 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 145454112 is about 12060.4358130210. The cubic root of 145454112 is about 525.9066564642.

The spelling of 145454112 in words is "one hundred forty-five million, four hundred fifty-four thousand, one hundred twelve".