145986012 has 18 divisors (see below), whose sum is σ = 369020288. Its totient is φ = 48661992.

The previous prime is 145985999. The next prime is 145986019. The reversal of 145986012 is 210689541.

145986012 is a `hidden beast` number, since 1 + 4 + 598 + 60 + 1 + 2 = 666.

145986012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×145986012³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4055167 = 145986012 / (1 + 4 + 5 + 9 + 8 + 6 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145986019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2027548 + ... + 2027619.

Almost surely, 2^145986012 is an apocalyptic number.

145986012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145986012 is an abundant number, since it is smaller than the sum of its proper divisors (223034276).

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

145986012 is a wasteful number, since it uses less digits than its factorization.

145986012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055177 (or 4055172 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 145986012 is about 12082.4671321713. The cubic root of 145986012 is about 526.5469259019.

The spelling of 145986012 in words is "one hundred forty-five million, nine hundred eighty-six thousand, twelve".