146473420 has 24 divisors (see below), whose sum is σ = 311303664. Its totient is φ = 57882816.

The previous prime is 146473367. The next prime is 146473421. The reversal of 146473420 is 24374641.

It is not an unprimeable number, because it can be changed into a prime (146473421) 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, 42459 + ... + 45778.

It is an arithmetic number, because the mean of its divisors is an integer number (12970986).

Almost surely, 2^146473420 is an apocalyptic number.

146473420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146473420 is an abundant number, since it is smaller than the sum of its proper divisors (164830244).

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

146473420 is a wasteful number, since it uses less digits than its factorization.

146473420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88329 (or 88327 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 146473420 is about 12102.6203774224. The cubic root of 146473420 is about 527.1322744302.

The spelling of 146473420 in words is "one hundred forty-six million, four hundred seventy-three thousand, four hundred twenty".