145045243012 has 6 divisors (see below), whose sum is σ = 253829175278. Its totient is φ = 72522621504.

The previous prime is 145045243003. The next prime is 145045243019. The reversal of 145045243012 is 210342540541.

It can be written as a sum of positive squares in only one way, i.e., 128978666496 + 16066576516 = 359136^2 + 126754^2 .

It is not an unprimeable number, because it can be changed into a prime (145045243019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18130655373 + ... + 18130655380.

Almost surely, 2^145045243012 is an apocalyptic number.

It is an amenable number.

145045243012 is a deficient number, since it is larger than the sum of its proper divisors (108783932266).

145045243012 is a wasteful number, since it uses less digits than its factorization.

145045243012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36261310757 (or 36261310755 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 145045243012 its reverse (210342540541), we get a palindrome (355387783553).

The spelling of 145045243012 in words is "one hundred forty-five billion, forty-five million, two hundred forty-three thousand, twelve".