99750158 has 4 divisors (see below), whose sum is σ = 149625240. Its totient is φ = 49875078.

The previous prime is 99750137. The next prime is 99750163. The reversal of 99750158 is 85105799.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×99750158⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24937538 + ... + 24937541.

It is an arithmetic number, because the mean of its divisors is an integer number (37406310).

Almost surely, 2^99750158 is an apocalyptic number.

99750158 is a deficient number, since it is larger than the sum of its proper divisors (49875082).

99750158 is a wasteful number, since it uses less digits than its factorization.

99750158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875081.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 99750158 is about 9987.5000876095. The cubic root of 99750158 is about 463.7720063760.

The spelling of 99750158 in words is "ninety-nine million, seven hundred fifty thousand, one hundred fifty-eight".