155065641 has 8 divisors (see below), whose sum is σ = 208142400. Its totient is φ = 102682992.

The previous prime is 155065637. The next prime is 155065681. The reversal of 155065641 is 146560551.

155065641 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 not a de Polignac number, because 155065641 - 2² = 155065637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155065601) 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, 173005 + ... + 173898.

It is an arithmetic number, because the mean of its divisors is an integer number (26017800).

Almost surely, 2^155065641 is an apocalyptic number.

It is an amenable number.

155065641 is a deficient number, since it is larger than the sum of its proper divisors (53076759).

155065641 is a wasteful number, since it uses less digits than its factorization.

155065641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347055.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 155065641 is about 12452.5355249443. The cubic root of 155065641 is about 537.2443533516.

The spelling of 155065641 in words is "one hundred fifty-five million, sixty-five thousand, six hundred forty-one".