99103145 has 8 divisors (see below), whose sum is σ = 125183040. Its totient is φ = 75109680.

The previous prime is 99103129. The next prime is 99103153. The reversal of 99103145 is 54130199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99103145 - 2⁴ = 99103129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521501 + ... + 521690.

It is an arithmetic number, because the mean of its divisors is an integer number (15647880).

Almost surely, 2^99103145 is an apocalyptic number.

99103145 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99103145 is a deficient number, since it is larger than the sum of its proper divisors (26079895).

99103145 is a wasteful number, since it uses less digits than its factorization.

99103145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043215.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 99103145 is about 9955.0562529802. The cubic root of 99103145 is about 462.7671035648.

The spelling of 99103145 in words is "ninety-nine million, one hundred three thousand, one hundred forty-five".