145215665414 has 32 divisors (see below), whose sum is σ = 224280376320. Its totient is φ = 70477192800.

The previous prime is 145215665407. The next prime is 145215665447. The reversal of 145215665414 is 414566512541.

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, 31300907 + ... + 31305545.

It is an arithmetic number, because the mean of its divisors is an integer number (7008761760).

Almost surely, 2^145215665414 is an apocalyptic number.

145215665414 is a deficient number, since it is larger than the sum of its proper divisors (79064710906).

145215665414 is a wasteful number, since it uses less digits than its factorization.

145215665414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876.

The product of its digits is 576000, while the sum is 44.

The spelling of 145215665414 in words is "one hundred forty-five billion, two hundred fifteen million, six hundred sixty-five thousand, four hundred fourteen".