145020305302052 has 24 divisors (see below), whose sum is σ = 257947021110072. Its totient is φ = 71321166259200.

The previous prime is 145020305301997. The next prime is 145020305302129. The reversal of 145020305302052 is 250203503020541.

145020305302052 is digitally balanced in base 3, 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 4 ways, for example, as 8845782362596 + 136174522939456 = 2974186^2 + 11669384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65124902 + ... + 67314882.

It is an arithmetic number, because the mean of its divisors is an integer number (10747792546253).

Almost surely, 2^{145020305302052} is an apocalyptic number.

It is an amenable number.

145020305302052 is a deficient number, since it is larger than the sum of its proper divisors (112926715808020).

145020305302052 is a wasteful number, since it uses less digits than its factorization.

145020305302052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461439 (or 2461437 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 145020305302052 its reverse (250203503020541), we get a palindrome (395223808322593).

The spelling of 145020305302052 in words is "one hundred forty-five trillion, twenty billion, three hundred five million, three hundred two thousand, fifty-two".