145046199616 has 28 divisors (see below), whose sum is σ = 288049510260. Its totient is φ = 72466795520.

The previous prime is 145046199589. The next prime is 145046199629. The reversal of 145046199616 is 616991640541.

It can be written as a sum of positive squares in 2 ways, for example, as 106824385600 + 38221814016 = 326840^2 + 195504^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 796615 + ... + 961606.

Almost surely, 2^145046199616 is an apocalyptic number.

145046199616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145046199616 is a deficient number, since it is larger than the sum of its proper divisors (143003310644).

145046199616 is a wasteful number, since it uses less digits than its factorization.

145046199616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759522 (or 1759512 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 145046199616 in words is "one hundred forty-five billion, forty-six million, one hundred ninety-nine thousand, six hundred sixteen".