145520235102245 has 16 divisors (see below), whose sum is σ = 175065616133760. Its totient is φ = 116121970350144.

The previous prime is 145520235102157. The next prime is 145520235102259. The reversal of 145520235102245 is 542201532025541.

It is a cyclic number.

It is not a de Polignac number, because 145520235102245 - 2¹⁰ = 145520235101221 is a prime.

It is a super-2 number, since 2×145520235102245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318211166 + ... + 318668144.

It is an arithmetic number, because the mean of its divisors is an integer number (10941601008360).

Almost surely, 2^{145520235102245} is an apocalyptic number.

It is an amenable number.

145520235102245 is a deficient number, since it is larger than the sum of its proper divisors (29545381031515).

145520235102245 is a wasteful number, since it uses less digits than its factorization.

145520235102245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617804.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 145520235102245 its reverse (542201532025541), we get a palindrome (687721767127786).

The spelling of 145520235102245 in words is "one hundred forty-five trillion, five hundred twenty billion, two hundred thirty-five million, one hundred two thousand, two hundred forty-five".