155006161 has 8 divisors (see below), whose sum is σ = 163285920. Its totient is φ = 146738592.

The previous prime is 155006147. The next prime is 155006191. The reversal of 155006161 is 161600551.

155006161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 155006161 - 2²³ = 146617553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155006191) 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, 36021 + ... + 40093.

It is an arithmetic number, because the mean of its divisors is an integer number (20410740).

Almost surely, 2^155006161 is an apocalyptic number.

It is an amenable number.

155006161 is a deficient number, since it is larger than the sum of its proper divisors (8279759).

155006161 is a wasteful number, since it uses less digits than its factorization.

155006161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 155006161 is about 12450.1470272443. The cubic root of 155006161 is about 537.1756525945.

The spelling of 155006161 in words is "one hundred fifty-five million, six thousand, one hundred sixty-one".