101154161 has 4 divisors (see below), whose sum is σ = 105552192. Its totient is φ = 96756132.

The previous prime is 101154149. The next prime is 101154167. The reversal of 101154161 is 161451101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161451101 = 7 ⋅23064443.

It is a cyclic number.

It is not a de Polignac number, because 101154161 - 2¹⁰ = 101153137 is a prime.

It is a super-2 number, since 2×101154161² = 20464328575227842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101154167) 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, 2198981 + ... + 2199026.

It is an arithmetic number, because the mean of its divisors is an integer number (26388048).

Almost surely, 2^101154161 is an apocalyptic number.

It is an amenable number.

101154161 is a deficient number, since it is larger than the sum of its proper divisors (4398031).

101154161 is an equidigital number, since it uses as much as digits as its factorization.

101154161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398030.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 101154161 is about 10057.5424930745. The cubic root of 101154161 is about 465.9377706756.

It can be divided in two parts, 10 and 1154161, that multiplied together give a triangular number (11541610 = T₄₈₀₄).

The spelling of 101154161 in words is "one hundred one million, one hundred fifty-four thousand, one hundred sixty-one".