145520524340 has 12 divisors (see below), whose sum is σ = 305593101156. Its totient is φ = 58208209728.

The previous prime is 145520524309. The next prime is 145520524349. The reversal of 145520524340 is 43425025541.

145520524340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 74622941584 + 70897582756 = 273172^2 + 266266^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145520524340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145520524349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638013089 + ... + 3638013128.

It is an arithmetic number, because the mean of its divisors is an integer number (25466091763).

Almost surely, 2^145520524340 is an apocalyptic number.

145520524340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145520524340 is an abundant number, since it is smaller than the sum of its proper divisors (160072576816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145520524340 is a wasteful number, since it uses less digits than its factorization.

145520524340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7276026226 (or 7276026224 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 145520524340 its reverse (43425025541), we get a palindrome (188945549881).

The spelling of 145520524340 in words is "one hundred forty-five billion, five hundred twenty million, five hundred twenty-four thousand, three hundred forty".