145532320121241 has 24 divisors (see below), whose sum is σ = 210740704069896. Its totient is φ = 96778295735040.

The previous prime is 145532320121239. The next prime is 145532320121257. The reversal of 145532320121241 is 142121023235541.

145532320121241 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 323 + 201 + 2 + 124 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17126685633600 + 128405634487641 = 4138440^2 + 11331621^2 .

It is not a de Polignac number, because 145532320121241 - 2¹ = 145532320121239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145532320121196 and 145532320121205.

It is not an unprimeable number, because it can be changed into a prime (145532320121641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6312871 + ... + 18191123.

It is an arithmetic number, because the mean of its divisors is an integer number (8780862669579).

Almost surely, 2^{145532320121241} is an apocalyptic number.

It is an amenable number.

145532320121241 is a deficient number, since it is larger than the sum of its proper divisors (65208383948655).

145532320121241 is a wasteful number, since it uses less digits than its factorization.

145532320121241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881673 (or 11881670 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 145532320121241 its reverse (142121023235541), we get a palindrome (287653343356782).

The spelling of 145532320121241 in words is "one hundred forty-five trillion, five hundred thirty-two billion, three hundred twenty million, one hundred twenty-one thousand, two hundred forty-one".