145255767215 has 32 divisors (see below), whose sum is σ = 198794627136. Its totient is φ = 100937041920.

The previous prime is 145255767199. The next prime is 145255767247. The reversal of 145255767215 is 512767552541.

It is not a de Polignac number, because 145255767215 - 2⁴ = 145255767199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8525405 + ... + 8542425.

It is an arithmetic number, because the mean of its divisors is an integer number (6212332098).

Almost surely, 2^145255767215 is an apocalyptic number.

145255767215 is a deficient number, since it is larger than the sum of its proper divisors (53538859921).

145255767215 is a wasteful number, since it uses less digits than its factorization.

145255767215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24779.

The product of its digits is 2940000, while the sum is 50.

The spelling of 145255767215 in words is "one hundred forty-five billion, two hundred fifty-five million, seven hundred sixty-seven thousand, two hundred fifteen".