141655109 has 4 divisors (see below), whose sum is σ = 141816780. Its totient is φ = 141493440.

The previous prime is 141655093. The next prime is 141655117. The reversal of 141655109 is 901556141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901556141 = 3581 ⋅251761.

It can be written as a sum of positive squares in 2 ways, for example, as 50452609 + 91202500 = 7103^2 + 9550^2 .

It is a cyclic number.

It is not a de Polignac number, because 141655109 - 2⁴ = 141655093 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 (141655309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79514 + ... + 81275.

It is an arithmetic number, because the mean of its divisors is an integer number (35454195).

Almost surely, 2^141655109 is an apocalyptic number.

It is an amenable number.

141655109 is a deficient number, since it is larger than the sum of its proper divisors (161671).

141655109 is an equidigital number, since it uses as much as digits as its factorization.

141655109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161670.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 141655109 is about 11901.8951852216. The cubic root of 141655109 is about 521.2876237969.

The spelling of 141655109 in words is "one hundred forty-one million, six hundred fifty-five thousand, one hundred nine".