2031145544045 has 16 divisors (see below), whose sum is σ = 2603950933440. Its totient is φ = 1516418475264.

The previous prime is 2031145544017. The next prime is 2031145544107. The reversal of 2031145544045 is 5404455411302.

It is a cyclic number.

It is not a de Polignac number, because 2031145544045 - 2⁸ = 2031145543789 is a prime.

It is a super-3 number, since 3×2031145544045³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

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, 159549452 + ... + 159562181.

It is an arithmetic number, because the mean of its divisors is an integer number (162746933340).

Almost surely, 2^{2031145544045} is an apocalyptic number.

It is an amenable number.

2031145544045 is a deficient number, since it is larger than the sum of its proper divisors (572805389395).

2031145544045 is a wasteful number, since it uses less digits than its factorization.

2031145544045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319111724.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 2031145544045 in words is "two trillion, thirty-one billion, one hundred forty-five million, five hundred forty-four thousand, forty-five".