99154729 has 2 divisors, whose sum is σ = 99154730. Its totient is φ = 99154728.

The previous prime is 99154681. The next prime is 99154807. The reversal of 99154729 is 92745199.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 43204329 = 7480^2 + 6573^2 .

It is a cyclic number.

It is not a de Polignac number, because 99154729 - 2¹¹ = 99152681 is a prime.

It is not a weakly prime, because it can be changed into another prime (99154129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49577364 + 49577365.

It is an arithmetic number, because the mean of its divisors is an integer number (49577365).

Almost surely, 2^99154729 is an apocalyptic number.

It is an amenable number.

99154729 is a deficient number, since it is larger than the sum of its proper divisors (1).

99154729 is an equidigital number, since it uses as much as digits as its factorization.

99154729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 46.

The square root of 99154729 is about 9957.6467601537. The cubic root of 99154729 is about 462.8473809960.

The spelling of 99154729 in words is "ninety-nine million, one hundred fifty-four thousand, seven hundred twenty-nine".