145794012 has 72 divisors (see below), whose sum is σ = 426189456. Its totient is φ = 38449152.

The previous prime is 145793971. The next prime is 145794013. The reversal of 145794012 is 210497541.

It is a happy number.

It is a super-2 number, since 2×145794012² = 42511787870112288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145794013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1893 + ... + 17180.

It is an arithmetic number, because the mean of its divisors is an integer number (5919298).

Almost surely, 2^145794012 is an apocalyptic number.

145794012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145794012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213094728).

145794012 is an abundant number, since it is smaller than the sum of its proper divisors (280395444).

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

145794012 is a wasteful number, since it uses less digits than its factorization.

145794012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19107 (or 19098 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 145794012 is about 12074.5191208594. The cubic root of 145794012 is about 526.3159874224.

The spelling of 145794012 in words is "one hundred forty-five million, seven hundred ninety-four thousand, twelve".