146477920 has 24 divisors (see below), whose sum is σ = 346054464. Its totient is φ = 58591104.

The previous prime is 146477911. The next prime is 146477951. The reversal of 146477920 is 29774641.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457584 + ... + 457903.

It is an arithmetic number, because the mean of its divisors is an integer number (14418936).

Almost surely, 2^146477920 is an apocalyptic number.

146477920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146477920 is an abundant number, since it is smaller than the sum of its proper divisors (199576544).

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

146477920 is an equidigital number, since it uses as much as digits as its factorization.

146477920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915502 (or 915494 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 146477920 is about 12102.8062861470. The cubic root of 146477920 is about 527.1376726131.

The spelling of 146477920 in words is "one hundred forty-six million, four hundred seventy-seven thousand, nine hundred twenty".