99619545 has 16 divisors (see below), whose sum is σ = 163279872. Its totient is φ = 51834240.

The previous prime is 99619529. The next prime is 99619547. The reversal of 99619545 is 54591699.

It is not a de Polignac number, because 99619545 - 2⁴ = 99619529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99619494 and 99619503.

It is not an unprimeable number, because it can be changed into a prime (99619547) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 80377 + ... + 81606.

It is an arithmetic number, because the mean of its divisors is an integer number (10204992).

Almost surely, 2^99619545 is an apocalyptic number.

It is an amenable number.

99619545 is a deficient number, since it is larger than the sum of its proper divisors (63660327).

99619545 is a wasteful number, since it uses less digits than its factorization.

99619545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162032.

The product of its digits is 437400, while the sum is 48.

The square root of 99619545 is about 9980.9591222487. The cubic root of 99619545 is about 463.5694967179.

The spelling of 99619545 in words is "ninety-nine million, six hundred nineteen thousand, five hundred forty-five".