101440299 has 4 divisors (see below), whose sum is σ = 135253736. Its totient is φ = 67626864.

The previous prime is 101440267. The next prime is 101440301. The reversal of 101440299 is 992044101.

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

It is not a de Polignac number, because 101440299 - 2⁵ = 101440267 is a prime.

It is a super-2 number, since 2×101440299² = 20580268522418802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101440099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16906714 + ... + 16906719.

It is an arithmetic number, because the mean of its divisors is an integer number (33813434).

Almost surely, 2^101440299 is an apocalyptic number.

101440299 is a deficient number, since it is larger than the sum of its proper divisors (33813437).

101440299 is an equidigital number, since it uses as much as digits as its factorization.

101440299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33813436.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 101440299 is about 10071.7574931091. The cubic root of 101440299 is about 466.3766947445.

The spelling of 101440299 in words is "one hundred one million, four hundred forty thousand, two hundred ninety-nine".