146421652 has 24 divisors (see below), whose sum is σ = 276372936. Its totient is φ = 67475328.

The previous prime is 146421641. The next prime is 146421659. The reversal of 146421652 is 256124641.

It is a happy number.

146421652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18369796 + 128051856 = 4286^2 + 11316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146421659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39678 + ... + 43210.

It is an arithmetic number, because the mean of its divisors is an integer number (11515539).

Almost surely, 2^146421652 is an apocalyptic number.

It is an amenable number.

146421652 is a deficient number, since it is larger than the sum of its proper divisors (129951284).

146421652 is a wasteful number, since it uses less digits than its factorization.

146421652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4345 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 146421652 is about 12100.4814780239. The cubic root of 146421652 is about 527.0701657803.

The spelling of 146421652 in words is "one hundred forty-six million, four hundred twenty-one thousand, six hundred fifty-two".