146873780 has 12 divisors (see below), whose sum is σ = 308434980. Its totient is φ = 58749504.

The previous prime is 146873773. The next prime is 146873789. The reversal of 146873780 is 87378641.

It can be written as a sum of positive squares in 2 ways, for example, as 38588944 + 108284836 = 6212^2 + 10406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146873789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671825 + ... + 3671864.

It is an arithmetic number, because the mean of its divisors is an integer number (25702915).

Almost surely, 2^146873780 is an apocalyptic number.

146873780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146873780 is an abundant number, since it is smaller than the sum of its proper divisors (161561200).

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

146873780 is a wasteful number, since it uses less digits than its factorization.

146873780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343698 (or 7343696 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 146873780 is about 12119.1493100795. The cubic root of 146873780 is about 527.6121127650.

The spelling of 146873780 in words is "one hundred forty-six million, eight hundred seventy-three thousand, seven hundred eighty".