101144999 has 4 divisors (see below), whose sum is σ = 106468440. Its totient is φ = 95821560.

The previous prime is 101144983. The next prime is 101145047. The reversal of 101144999 is 999441101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999441101 = 17 ⋅58790653.

It is not a de Polignac number, because 101144999 - 2⁴ = 101144983 is a prime.

It is a super-3 number, since 3×101144999³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101744999) 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, 2661692 + ... + 2661729.

It is an arithmetic number, because the mean of its divisors is an integer number (26617110).

Almost surely, 2^101144999 is an apocalyptic number.

101144999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

101144999 is a deficient number, since it is larger than the sum of its proper divisors (5323441).

101144999 is an equidigital number, since it uses as much as digits as its factorization.

101144999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323440.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 101144999 is about 10057.0870037004. The cubic root of 101144999 is about 465.9237028716.

The spelling of 101144999 in words is "one hundred one million, one hundred forty-four thousand, nine hundred ninety-nine".