106154189 has 2 divisors, whose sum is σ = 106154190. Its totient is φ = 106154188.

The previous prime is 106154141. The next prime is 106154201. The reversal of 106154189 is 981451601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55502500 + 50651689 = 7450^2 + 7117^2 .

It is a cyclic number.

It is not a de Polignac number, because 106154189 - 2²⁰ = 105105613 is a prime.

It is a super-2 number, since 2×106154189² = 22537423684495442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106154129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53077094 + 53077095.

It is an arithmetic number, because the mean of its divisors is an integer number (53077095).

Almost surely, 2^106154189 is an apocalyptic number.

It is an amenable number.

106154189 is a deficient number, since it is larger than the sum of its proper divisors (1).

106154189 is an equidigital number, since it uses as much as digits as its factorization.

106154189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 106154189 is about 10303.1154996923. The cubic root of 106154189 is about 473.4917091634.

The spelling of 106154189 in words is "one hundred six million, one hundred fifty-four thousand, one hundred eighty-nine".