145042650417 has 16 divisors (see below), whose sum is σ = 221303318400. Its totient is φ = 82774284672.

The previous prime is 145042650391. The next prime is 145042650451. The reversal of 145042650417 is 714056240541.

It is not a de Polignac number, because 145042650417 - 2⁸ = 145042650161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145042650497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4451292 + ... + 4483757.

It is an arithmetic number, because the mean of its divisors is an integer number (13831457400).

Almost surely, 2^145042650417 is an apocalyptic number.

It is an amenable number.

145042650417 is a deficient number, since it is larger than the sum of its proper divisors (76260667983).

145042650417 is an equidigital number, since it uses as much as digits as its factorization.

145042650417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935832.

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 145042650417 its reverse (714056240541), we get a palindrome (859098890958).

The spelling of 145042650417 in words is "one hundred forty-five billion, forty-two million, six hundred fifty thousand, four hundred seventeen".