146213340 has 192 divisors, whose sum is σ = 513300480. Its totient is φ = 30274560.

The previous prime is 146213251. The next prime is 146213351. The reversal of 146213340 is 43312641.

146213340 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 146213340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 332841 + ... + 333279.

It is an arithmetic number, because the mean of its divisors is an integer number (2673440).

Almost surely, 2^146213340 is an apocalyptic number.

146213340 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 146213340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256650240).

146213340 is an abundant number, since it is smaller than the sum of its proper divisors (367087140).

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

146213340 is a wasteful number, since it uses less digits than its factorization.

146213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 146213340 is about 12091.8708229951. The cubic root of 146213340 is about 526.8200954116.

Adding to 146213340 its reverse (43312641), we get a palindrome (189525981).

The spelling of 146213340 in words is "one hundred forty-six million, two hundred thirteen thousand, three hundred forty".