155101201 has 8 divisors (see below), whose sum is σ = 157155840. Its totient is φ = 153058752.

The previous prime is 155101171. The next prime is 155101229. The reversal of 155101201 is 102101551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155101231) 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, 24136 + ... + 29878.

It is an arithmetic number, because the mean of its divisors is an integer number (19644480).

Almost surely, 2^155101201 is an apocalyptic number.

It is an amenable number.

155101201 is a deficient number, since it is larger than the sum of its proper divisors (2054639).

155101201 is a wasteful number, since it uses less digits than its factorization.

155101201 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 50, while the sum is 16.

The square root of 155101201 is about 12453.9632647603. The cubic root of 155101201 is about 537.2854175721.

Adding to 155101201 its reverse (102101551), we get a palindrome (257202752).

The spelling of 155101201 in words is "one hundred fifty-five million, one hundred one thousand, two hundred one".