145214740071865 has 32 divisors (see below), whose sum is σ = 179131863730176. Its totient is φ = 112928149163520.

The previous prime is 145214740071833. The next prime is 145214740071883. The reversal of 145214740071865 is 568170047412541.

It is not a de Polignac number, because 145214740071865 - 2⁵ = 145214740071833 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1246730580 + ... + 1246847050.

It is an arithmetic number, because the mean of its divisors is an integer number (5597870741568).

Almost surely, 2^{145214740071865} is an apocalyptic number.

It is an amenable number.

145214740071865 is a deficient number, since it is larger than the sum of its proper divisors (33917123658311).

145214740071865 is a wasteful number, since it uses less digits than its factorization.

145214740071865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122649.

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 145214740071865 in words is "one hundred forty-five trillion, two hundred fourteen billion, seven hundred forty million, seventy-one thousand, eight hundred sixty-five".