99293145 has 64 divisors (see below), whose sum is σ = 194088960. Its totient is φ = 42336000.

The previous prime is 99293137. The next prime is 99293147. The reversal of 99293145 is 54139299.

It is not a de Polignac number, because 99293145 - 2³ = 99293137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99293097 and 99293106.

It is not an unprimeable number, because it can be changed into a prime (99293147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141295 + ... + 141995.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^99293145 is an apocalyptic number.

99293145 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99293145 is a deficient number, since it is larger than the sum of its proper divisors (94795815).

99293145 is a wasteful number, since it uses less digits than its factorization.

99293145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its digits is 87480, while the sum is 42.

The square root of 99293145 is about 9964.5945727862. The cubic root of 99293145 is about 463.0626529448.

The spelling of 99293145 in words is "ninety-nine million, two hundred ninety-three thousand, one hundred forty-five".