145047158785 has 16 divisors (see below), whose sum is σ = 183455882640. Its totient is φ = 109922525440.

The previous prime is 145047158741. The next prime is 145047158881. The reversal of 145047158785 is 587851740541.

It can be written as a sum of positive squares in 8 ways, for example, as 5255670016 + 139791488769 = 72496^2 + 373887^2 .

It is not a de Polignac number, because 145047158785 - 2¹⁹ = 145046634497 is a prime.

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, 9429346 + ... + 9444715.

It is an arithmetic number, because the mean of its divisors is an integer number (11465992665).

Almost surely, 2^145047158785 is an apocalyptic number.

It is an amenable number.

145047158785 is a deficient number, since it is larger than the sum of its proper divisors (38408723855).

145047158785 is a wasteful number, since it uses less digits than its factorization.

145047158785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874148.

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 145047158785 in words is "one hundred forty-five billion, forty-seven million, one hundred fifty-eight thousand, seven hundred eighty-five".