145015012 has 12 divisors (see below), whose sum is σ = 254039296. Its totient is φ = 72432360.

The previous prime is 145015009. The next prime is 145015019. The reversal of 145015012 is 210510541.

It is not an unprimeable number, because it can be changed into a prime (145015019) 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, 14328 + ... + 22255.

Almost surely, 2^145015012 is an apocalyptic number.

It is an amenable number.

145015012 is a deficient number, since it is larger than the sum of its proper divisors (109024284).

145015012 is a wasteful number, since it uses less digits than its factorization.

145015012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37578 (or 37576 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 145015012 is about 12042.2179020312. The cubic root of 145015012 is about 525.3769169365.

Adding to 145015012 its reverse (210510541), we get a palindrome (355525553).

The spelling of 145015012 in words is "one hundred forty-five million, fifteen thousand, twelve".