101555141 has 6 divisors (see below), whose sum is σ = 102717042. Its totient is φ = 100406240.

The previous prime is 101555123. The next prime is 101555159. The reversal of 101555141 is 141555101.

It is an interprime number because it is at equal distance from previous prime (101555123) and next prime (101555159).

It can be written as a sum of positive squares in 3 ways, for example, as 4532641 + 97022500 = 2129^2 + 9850^2 .

It is not a de Polignac number, because 101555141 - 2¹⁴ = 101538757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101555341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1511 + ... + 14331.

It is an arithmetic number, because the mean of its divisors is an integer number (17119507).

Almost surely, 2^101555141 is an apocalyptic number.

It is an amenable number.

101555141 is a deficient number, since it is larger than the sum of its proper divisors (1161901).

101555141 is an frugal number, since it uses more digits than its factorization.

101555141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12999 (or 12910 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 101555141 is about 10077.4570701145. The cubic root of 101555141 is about 466.5526255917.

The spelling of 101555141 in words is "one hundred one million, five hundred fifty-five thousand, one hundred forty-one".