99154272 has 48 divisors (see below), whose sum is σ = 297464832. Its totient is φ = 28329600.

The previous prime is 99154271. The next prime is 99154283. The reversal of 99154272 is 27245199.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99154272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99154271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73104 + ... + 74447.

It is an arithmetic number, because the mean of its divisors is an integer number (6197184).

Almost surely, 2^99154272 is an apocalyptic number.

It is an amenable number.

99154272 is an abundant number, since it is smaller than the sum of its proper divisors (198310560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99154272 is a wasteful number, since it uses less digits than its factorization.

99154272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147571 (or 147563 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 99154272 is about 9957.6238129385. The cubic root of 99154272 is about 462.8466699135.

The spelling of 99154272 in words is "ninety-nine million, one hundred fifty-four thousand, two hundred seventy-two".