99945146 has 16 divisors (see below), whose sum is σ = 171533376. Its totient is φ = 42783936.

The previous prime is 99945133. The next prime is 99945151. The reversal of 99945146 is 64154999.

It is a super-2 number, since 2×99945146² = 19978064417922632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99945146.

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, 10025 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (10720836).

Almost surely, 2^99945146 is an apocalyptic number.

99945146 is a deficient number, since it is larger than the sum of its proper divisors (71588230).

99945146 is a wasteful number, since it uses less digits than its factorization.

99945146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8293.

The product of its digits is 349920, while the sum is 47.

The square root of 99945146 is about 9997.2569237766. The cubic root of 99945146 is about 464.0739979337.

The spelling of 99945146 in words is "ninety-nine million, nine hundred forty-five thousand, one hundred forty-six".