5145949054197 has 144 divisors (see below), whose sum is σ = 9800579722752. Its totient is φ = 2678289546240.

The previous prime is 5145949054189. The next prime is 5145949054229. The reversal of 5145949054197 is 7914509495415.

5145949054197 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 9 + 490 + 54 + 1 + 97 = 666.

It is not a de Polignac number, because 5145949054197 - 2³ = 5145949054189 is a prime.

It is a super-3 number, since 3×5145949054197³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145945054197) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5864953 + ... + 6685025.

It is an arithmetic number, because the mean of its divisors is an integer number (68059581408).

Almost surely, 2^{5145949054197} is an apocalyptic number.

It is an amenable number.

5145949054197 is a deficient number, since it is larger than the sum of its proper divisors (4654630668555).

5145949054197 is a wasteful number, since it uses less digits than its factorization.

5145949054197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820150 (or 820131 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 63.

The spelling of 5145949054197 in words is "five trillion, one hundred forty-five billion, nine hundred forty-nine million, fifty-four thousand, one hundred ninety-seven".