49871141145 has 48 divisors (see below), whose sum is σ = 99698776320. Its totient is φ = 22589062272.

The previous prime is 49871141143. The next prime is 49871141147. The reversal of 49871141145 is 54114117894.

49871141145 is a `hidden beast` number, since 498 + 7 + 1 + 14 + 1 + 145 = 666.

49871141145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (49871141143) and next prime (49871141147).

It is not a de Polignac number, because 49871141145 - 2¹ = 49871141143 is a prime.

It is a super-2 number, since 2×49871141145² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49871141145.

It is not an unprimeable number, because it can be changed into a prime (49871141143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 691909 + ... + 760578.

It is an arithmetic number, because the mean of its divisors is an integer number (2077057840).

Almost surely, 2^49871141145 is an apocalyptic number.

49871141145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49871141145 is a deficient number, since it is larger than the sum of its proper divisors (49827635175).

49871141145 is a wasteful number, since it uses less digits than its factorization.

49871141145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452614 (or 1452611 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The spelling of 49871141145 in words is "forty-nine billion, eight hundred seventy-one million, one hundred forty-one thousand, one hundred forty-five".