145512442240012 has 12 divisors (see below), whose sum is σ = 254720307520336. Its totient is φ = 72735211519920.

The previous prime is 145512442239961. The next prime is 145512442240037. The reversal of 145512442240012 is 210042244215541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252384439 + ... + 5252412142.

Almost surely, 2^{145512442240012} is an apocalyptic number.

It is an amenable number.

145512442240012 is a deficient number, since it is larger than the sum of its proper divisors (109207865280324).

145512442240012 is a wasteful number, since it uses less digits than its factorization.

145512442240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504800048 (or 10504800046 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 145512442240012 its reverse (210042244215541), we get a palindrome (355554686455553).

The spelling of 145512442240012 in words is "one hundred forty-five trillion, five hundred twelve billion, four hundred forty-two million, two hundred forty thousand, twelve".