146220570 has 48 divisors (see below), whose sum is σ = 402540840. Its totient is φ = 36698112.

The previous prime is 146220563. The next prime is 146220577. The reversal of 146220570 is 75022641.

146220570 is a `hidden beast` number, since 14 + 62 + 20 + 570 = 666.

It is an interprime number because it is at equal distance from previous prime (146220563) and next prime (146220577).

It can be written as a sum of positive squares in 4 ways, for example, as 88566921 + 57653649 = 9411^2 + 7593^2 .

It is a super-2 number, since 2×146220570² = 42760910182249800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146220577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46255 + ... + 49314.

Almost surely, 2^146220570 is an apocalyptic number.

146220570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146220570 is an abundant number, since it is smaller than the sum of its proper divisors (256320270).

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

146220570 is a wasteful number, since it uses less digits than its factorization.

146220570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95599 (or 95596 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 146220570 is about 12092.1697804819. The cubic root of 146220570 is about 526.8287787199.

The spelling of 146220570 in words is "one hundred forty-six million, two hundred twenty thousand, five hundred seventy".