46145321136 has 80 divisors (see below), whose sum is σ = 132676032000. Its totient is φ = 15356008512.

The previous prime is 46145321077. The next prime is 46145321137. The reversal of 46145321136 is 63112354164.

46145321136 is a `hidden beast` number, since 4 + 6 + 1 + 4 + 532 + 113 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 46145321136.

It is not an unprimeable number, because it can be changed into a prime (46145321137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169605 + ... + 347931.

It is an arithmetic number, because the mean of its divisors is an integer number (1658450400).

Almost surely, 2^46145321136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46145321136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66338016000).

46145321136 is an abundant number, since it is smaller than the sum of its proper divisors (86530710864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46145321136 is a wasteful number, since it uses less digits than its factorization.

46145321136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178943 (or 178931 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 46145321136 in words is "forty-six billion, one hundred forty-five million, three hundred twenty-one thousand, one hundred thirty-six".