146674820 has 12 divisors (see below), whose sum is σ = 308017164. Its totient is φ = 58669920.

The previous prime is 146674817. The next prime is 146674823. The reversal of 146674820 is 28476641.

It is an interprime number because it is at equal distance from previous prime (146674817) and next prime (146674823).

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 130142464 = 4066^2 + 11408^2 .

It is not an unprimeable number, because it can be changed into a prime (146674823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3666851 + ... + 3666890.

It is an arithmetic number, because the mean of its divisors is an integer number (25668097).

Almost surely, 2^146674820 is an apocalyptic number.

146674820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146674820 is an abundant number, since it is smaller than the sum of its proper divisors (161342344).

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

146674820 is a wasteful number, since it uses less digits than its factorization.

146674820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333750 (or 7333748 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 146674820 is about 12110.9380313830. The cubic root of 146674820 is about 527.3737649312.

The spelling of 146674820 in words is "one hundred forty-six million, six hundred seventy-four thousand, eight hundred twenty".