145520034241 has 4 divisors (see below), whose sum is σ = 145645160112. Its totient is φ = 145394908372.

The previous prime is 145520034239. The next prime is 145520034277. The reversal of 145520034241 is 142430025541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145520034241 - 2¹ = 145520034239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145520038241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62561191 + ... + 62563516.

It is an arithmetic number, because the mean of its divisors is an integer number (36411290028).

Almost surely, 2^145520034241 is an apocalyptic number.

It is an amenable number.

145520034241 is a deficient number, since it is larger than the sum of its proper divisors (125125871).

145520034241 is a wasteful number, since it uses less digits than its factorization.

145520034241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125125870.

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

Adding to 145520034241 its reverse (142430025541), we get a palindrome (287950059782).

The spelling of 145520034241 in words is "one hundred forty-five billion, five hundred twenty million, thirty-four thousand, two hundred forty-one".