146344420 has 24 divisors (see below), whose sum is σ = 307553400. Its totient is φ = 58493952.

The previous prime is 146344409. The next prime is 146344421. The reversal of 146344420 is 24443641.

It can be written as a sum of positive squares in 4 ways, for example, as 58247424 + 88096996 = 7632^2 + 9386^2 .

It is not an unprimeable number, because it can be changed into a prime (146344421) 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, 44596 + ... + 47764.

It is an arithmetic number, because the mean of its divisors is an integer number (12814725).

Almost surely, 2^146344420 is an apocalyptic number.

146344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146344420 is an abundant number, since it is smaller than the sum of its proper divisors (161208980).

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

146344420 is a wasteful number, since it uses less digits than its factorization.

146344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 146344420 is about 12097.2897791199. The cubic root of 146344420 is about 526.9774794832.

The spelling of 146344420 in words is "one hundred forty-six million, three hundred forty-four thousand, four hundred twenty".