146746547640 has 1024 divisors, whose sum is σ = 645702451200. Its totient is φ = 28740096000.

The previous prime is 146746547609. The next prime is 146746547641. The reversal of 146746547640 is 46745647641.

146746547640 is a `hidden beast` number, since 1 + 4 + 6 + 74 + 65 + 476 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146746547641) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 139625115 + ... + 139626165.

It is an arithmetic number, because the mean of its divisors is an integer number (630568800).

Almost surely, 2^146746547640 is an apocalyptic number.

146746547640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146746547640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322851225600).

146746547640 is an abundant number, since it is smaller than the sum of its proper divisors (498955903560).

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

146746547640 is a wasteful number, since it uses less digits than its factorization.

146746547640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 146746547640 in words is "one hundred forty-six billion, seven hundred forty-six million, five hundred forty-seven thousand, six hundred forty".