146421704 has 64 divisors (see below), whose sum is σ = 325080000. Its totient is φ = 60952320.

The previous prime is 146421683. The next prime is 146421757. The reversal of 146421704 is 407124641.

It is a happy number.

146421704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170027 + ... + 170885.

It is an arithmetic number, because the mean of its divisors is an integer number (5079375).

Almost surely, 2^146421704 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 146421704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162540000).

146421704 is an abundant number, since it is smaller than the sum of its proper divisors (178658296).

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

146421704 is a wasteful number, since it uses less digits than its factorization.

146421704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 146421704 is about 12100.4836266986. The cubic root of 146421704 is about 527.0702281747.

The spelling of 146421704 in words is "one hundred forty-six million, four hundred twenty-one thousand, seven hundred four".