146209992 has 16 divisors (see below), whose sum is σ = 365525040. Its totient is φ = 48736656.

The previous prime is 146209957. The next prime is 146209993. The reversal of 146209992 is 299902641.

It is not an unprimeable number, because it can be changed into a prime (146209993) 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, 3046018 + ... + 3046065.

It is an arithmetic number, because the mean of its divisors is an integer number (22845315).

Almost surely, 2^146209992 is an apocalyptic number.

146209992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146209992 is an abundant number, since it is smaller than the sum of its proper divisors (219315048).

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

146209992 is a wasteful number, since it uses less digits than its factorization.

146209992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092092 (or 6092088 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 146209992 is about 12091.7323820865. The cubic root of 146209992 is about 526.8160743304.

The spelling of 146209992 in words is "one hundred forty-six million, two hundred nine thousand, nine hundred ninety-two".