106144257 has 8 divisors (see below), whose sum is σ = 141573376. Its totient is φ = 70738992.

The previous prime is 106144229. The next prime is 106144267. The reversal of 106144257 is 752441601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106144257 - 2⁶ = 106144193 is a prime.

It is a super-2 number, since 2×106144257² = 22533206588164098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106144267) 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, 13488 + ... + 19854.

It is an arithmetic number, because the mean of its divisors is an integer number (17696672).

Almost surely, 2^106144257 is an apocalyptic number.

It is an amenable number.

106144257 is a deficient number, since it is larger than the sum of its proper divisors (35429119).

106144257 is an equidigital number, since it uses as much as digits as its factorization.

106144257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 106144257 is about 10302.6334982858. The cubic root of 106144257 is about 473.4769417565.

Adding to 106144257 its reverse (752441601), we get a palindrome (858585858).

The spelling of 106144257 in words is "one hundred six million, one hundred forty-four thousand, two hundred fifty-seven".