146036409894 has 64 divisors (see below), whose sum is σ = 330087744000. Its totient is φ = 47850349536.

The previous prime is 146036409847. The next prime is 146036409899. The reversal of 146036409894 is 498904630641.

It is a happy number.

146036409894 is a `hidden beast` number, since 1 + 460 + 3 + 6 + 4 + 0 + 98 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146036409894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146036409899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810052 + ... + 973784.

It is an arithmetic number, because the mean of its divisors is an integer number (5157621000).

Almost surely, 2^146036409894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146036409894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165043872000).

146036409894 is an abundant number, since it is smaller than the sum of its proper divisors (184051334106).

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

146036409894 is a wasteful number, since it uses less digits than its factorization.

146036409894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164026 (or 164020 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 146036409894 in words is "one hundred forty-six billion, thirty-six million, four hundred nine thousand, eight hundred ninety-four".