145840691135 has 16 divisors (see below), whose sum is σ = 176031509472. Its totient is φ = 115992240000.

The previous prime is 145840691083. The next prime is 145840691141. The reversal of 145840691135 is 531196048541.

It is not a de Polignac number, because 145840691135 - 2¹⁰ = 145840690111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145840691135.

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, 703985 + ... + 887285.

It is an arithmetic number, because the mean of its divisors is an integer number (11001969342).

Almost surely, 2^145840691135 is an apocalyptic number.

145840691135 is a deficient number, since it is larger than the sum of its proper divisors (30190818337).

145840691135 is a wasteful number, since it uses less digits than its factorization.

145840691135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184234.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 145840691135 in words is "one hundred forty-five billion, eight hundred forty million, six hundred ninety-one thousand, one hundred thirty-five".