145252522905 has 32 divisors (see below), whose sum is σ = 274172510208. Its totient is φ = 64259179200.

The previous prime is 145252522879. The next prime is 145252522927. The reversal of 145252522905 is 509225252541.

It is not a de Polignac number, because 145252522905 - 2⁵ = 145252522873 is a prime.

It is a Curzon 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, 22308961 + ... + 22315470.

It is an arithmetic number, because the mean of its divisors is an integer number (8567890944).

Almost surely, 2^145252522905 is an apocalyptic number.

145252522905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145252522905 is a deficient number, since it is larger than the sum of its proper divisors (128919987303).

145252522905 is a wasteful number, since it uses less digits than its factorization.

145252522905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44624477.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 145252522905 in words is "one hundred forty-five billion, two hundred fifty-two million, five hundred twenty-two thousand, nine hundred five".