155411201 has 8 divisors (see below), whose sum is σ = 170488800. Its totient is φ = 140491840.

The previous prime is 155411173. The next prime is 155411213. The reversal of 155411201 is 102114551.

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-155411201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155411231) 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, 37496 + ... + 41433.

It is an arithmetic number, because the mean of its divisors is an integer number (21311100).

Almost surely, 2^155411201 is an apocalyptic number.

155411201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155411201 is a deficient number, since it is larger than the sum of its proper divisors (15077599).

155411201 is a wasteful number, since it uses less digits than its factorization.

155411201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79119.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 155411201 is about 12466.4028893663. The cubic root of 155411201 is about 537.6431359196.

Adding to 155411201 its reverse (102114551), we get a palindrome (257525752).

The spelling of 155411201 in words is "one hundred fifty-five million, four hundred eleven thousand, two hundred one".