145042566215 has 4 divisors (see below), whose sum is σ = 174051079464. Its totient is φ = 116034052968.

The previous prime is 145042566199. The next prime is 145042566217. The reversal of 145042566215 is 512665240541.

145042566215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145042566215 - 2⁴ = 145042566199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145042566217) 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, 14504256617 + ... + 14504256626.

It is an arithmetic number, because the mean of its divisors is an integer number (43512769866).

Almost surely, 2^145042566215 is an apocalyptic number.

145042566215 is a deficient number, since it is larger than the sum of its proper divisors (29008513249).

145042566215 is an equidigital number, since it uses as much as digits as its factorization.

145042566215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29008513248.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 145042566215 in words is "one hundred forty-five billion, forty-two million, five hundred sixty-six thousand, two hundred fifteen".