145515812895237 has 16 divisors (see below), whose sum is σ = 195245084518848. Its totient is φ = 96399377101440.

The previous prime is 145515812895209. The next prime is 145515812895239. The reversal of 145515812895237 is 732598218515541.

It is a de Polignac number, because none of the positive numbers 2^k-145515812895237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145515812895239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103740168 + ... + 105133505.

It is an arithmetic number, because the mean of its divisors is an integer number (12202817782428).

Almost surely, 2^{145515812895237} is an apocalyptic number.

It is an amenable number.

145515812895237 is a deficient number, since it is larger than the sum of its proper divisors (49729271623611).

145515812895237 is a wasteful number, since it uses less digits than its factorization.

145515812895237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208875140.

The product of its digits is 120960000, while the sum is 66.

The spelling of 145515812895237 in words is "one hundred forty-five trillion, five hundred fifteen billion, eight hundred twelve million, eight hundred ninety-five thousand, two hundred thirty-seven".