99280545 has 32 divisors (see below), whose sum is σ = 195508992. Its totient is φ = 41893632.

The previous prime is 99280513. The next prime is 99280553. The reversal of 99280545 is 54508299.

It is not a de Polignac number, because 99280545 - 2⁵ = 99280513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99280497 and 99280506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35002 + ... + 37731.

It is an arithmetic number, because the mean of its divisors is an integer number (6109656).

Almost surely, 2^99280545 is an apocalyptic number.

It is an amenable number.

99280545 is a deficient number, since it is larger than the sum of its proper divisors (96228447).

99280545 is a wasteful number, since it uses less digits than its factorization.

99280545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72761.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 99280545 is about 9963.9623142603. The cubic root of 99280545 is about 463.0430650325.

The spelling of 99280545 in words is "ninety-nine million, two hundred eighty thousand, five hundred forty-five".