145121024450043 has 20 divisors (see below), whose sum is σ = 216786788292888. Its totient is φ = 96746876392320.

The previous prime is 145121024450027. The next prime is 145121024450047. The reversal of 145121024450043 is 340054420121541.

145121024450043 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 2 + 102 + 4 + 4 + 500 + 43 = 666.

It is not a de Polignac number, because 145121024450043 - 2⁴ = 145121024450027 is a prime.

It is a super-2 number, since 2×145121024450043² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145121024450047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12687580 + ... + 21241862.

Almost surely, 2^{145121024450043} is an apocalyptic number.

145121024450043 is a deficient number, since it is larger than the sum of its proper divisors (71665763842845).

145121024450043 is an equidigital number, since it uses as much as digits as its factorization.

145121024450043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8763736 (or 8763727 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 145121024450043 its reverse (340054420121541), we get a palindrome (485175444571584).

The spelling of 145121024450043 in words is "one hundred forty-five trillion, one hundred twenty-one billion, twenty-four million, four hundred fifty thousand, forty-three".