146021568 has 336 divisors, whose sum is σ = 525377664. Its totient is φ = 35266560.

The previous prime is 146021437. The next prime is 146021581. The reversal of 146021568 is 865120641.

It is a tau number, because it is divible by the number of its divisors (336).

It is a hoax number, since the sum of its digits (33) 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 (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1759255 + ... + 1759337.

It is an arithmetic number, because the mean of its divisors is an integer number (1563624).

Almost surely, 2^146021568 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 146021568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262688832).

146021568 is an abundant number, since it is smaller than the sum of its proper divisors (379356096).

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

146021568 is a wasteful number, since it uses less digits than its factorization.

146021568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 146021568 is about 12083.9384308263. The cubic root of 146021568 is about 526.5896705971.

The spelling of 146021568 in words is "one hundred forty-six million, twenty-one thousand, five hundred sixty-eight".