146215506 has 16 divisors (see below), whose sum is σ = 302515200. Its totient is φ = 47057808.

The previous prime is 146215463. The next prime is 146215541. The reversal of 146215506 is 605512641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419986 + ... + 420333.

It is an arithmetic number, because the mean of its divisors is an integer number (18907200).

Almost surely, 2^146215506 is an apocalyptic number.

146215506 is an abundant number, since it is smaller than the sum of its proper divisors (156299694).

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

146215506 is a wasteful number, since it uses less digits than its factorization.

146215506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840353.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 146215506 is about 12091.9603869679. The cubic root of 146215506 is about 526.8226968311.

The spelling of 146215506 in words is "one hundred forty-six million, two hundred fifteen thousand, five hundred six".