146481660 has 144 divisors (see below), whose sum is σ = 487075680. Its totient is φ = 35412480.

The previous prime is 146481589. The next prime is 146481667. The reversal of 146481660 is 66184641.

146481660 is a `hidden beast` number, since 1 + 4 + 648 + 1 + 6 + 6 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146481667) 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, 137530 + ... + 138590.

It is an arithmetic number, because the mean of its divisors is an integer number (3382470).

Almost surely, 2^146481660 is an apocalyptic number.

146481660 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 146481660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243537840).

146481660 is an abundant number, since it is smaller than the sum of its proper divisors (340594020).

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

146481660 is a wasteful number, since it uses less digits than its factorization.

146481660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 146481660 is about 12102.9607947808. The cubic root of 146481660 is about 527.1421590188.

The spelling of 146481660 in words is "one hundred forty-six million, four hundred eighty-one thousand, six hundred sixty".