145450220421411 has 8 divisors (see below), whose sum is σ = 215481808031760. Its totient is φ = 96966813614256.

The previous prime is 145450220421367. The next prime is 145450220421413. The reversal of 145450220421411 is 114124022054541.

It is a happy number.

145450220421411 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 5 + 0 + 220 + 421 + 4 + 1 + 1 = 666.

It is not a de Polignac number, because 145450220421411 - 2¹⁰ = 145450220420387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145450220421413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2693522600370 + ... + 2693522600423.

It is an arithmetic number, because the mean of its divisors is an integer number (26935226003970).

Almost surely, 2^{145450220421411} is an apocalyptic number.

145450220421411 is a deficient number, since it is larger than the sum of its proper divisors (70031587610349).

145450220421411 is an equidigital number, since it uses as much as digits as its factorization.

145450220421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5387045200802 (or 5387045200796 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

Adding to 145450220421411 its reverse (114124022054541), we get a palindrome (259574242475952).

The spelling of 145450220421411 in words is "one hundred forty-five trillion, four hundred fifty billion, two hundred twenty million, four hundred twenty-one thousand, four hundred eleven".