145072012 has 12 divisors (see below), whose sum is σ = 254030896. Its totient is φ = 72491760.

The previous prime is 145072003. The next prime is 145072013. The reversal of 145072012 is 210270541.

It is a happy number.

145072012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145072013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3039 + ... + 17302.

Almost surely, 2^145072012 is an apocalyptic number.

It is an amenable number.

145072012 is a deficient number, since it is larger than the sum of its proper divisors (108958884).

145072012 is a wasteful number, since it uses less digits than its factorization.

145072012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128 (or 22126 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 145072012 is about 12044.5843431810. The cubic root of 145072012 is about 525.4457432856.

The spelling of 145072012 in words is "one hundred forty-five million, seventy-two thousand, twelve".