46144378251 has 12 divisors (see below), whose sum is σ = 66654898128. Its totient is φ = 30762038544.

The previous prime is 46144378229. The next prime is 46144378289. The reversal of 46144378251 is 15287344164.

46144378251 is a `hidden beast` number, since 4 + 614 + 4 + 3 + 7 + 8 + 25 + 1 = 666.

It is not a de Polignac number, because 46144378251 - 2¹³ = 46144370059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46144378197 and 46144378206.

It is not an unprimeable number, because it can be changed into a prime (46144378201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472066 + ... + 561368.

It is an arithmetic number, because the mean of its divisors is an integer number (5554574844).

Almost surely, 2^46144378251 is an apocalyptic number.

46144378251 is a deficient number, since it is larger than the sum of its proper divisors (20510519877).

46144378251 is a wasteful number, since it uses less digits than its factorization.

46144378251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146722 (or 146719 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 46144378251 in words is "forty-six billion, one hundred forty-four million, three hundred seventy-eight thousand, two hundred fifty-one".