5145120031045 has 64 divisors (see below), whose sum is σ = 6841075968000. Its totient is φ = 3702002166016.

The previous prime is 5145120031039. The next prime is 5145120031067. The reversal of 5145120031045 is 5401300215415.

It is not a de Polignac number, because 5145120031045 - 2⁵ = 5145120031013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5145120030998 and 5145120031016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20931666 + ... + 21176044.

It is an arithmetic number, because the mean of its divisors is an integer number (106891812000).

Almost surely, 2^{5145120031045} is an apocalyptic number.

It is an amenable number.

5145120031045 is a deficient number, since it is larger than the sum of its proper divisors (1695955936955).

5145120031045 is a wasteful number, since it uses less digits than its factorization.

5145120031045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244602.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 5145120031045 in words is "five trillion, one hundred forty-five billion, one hundred twenty million, thirty-one thousand, forty-five".