155414201 has 4 divisors (see below), whose sum is σ = 158048400. Its totient is φ = 152780004.

The previous prime is 155414177. The next prime is 155414213. The reversal of 155414201 is 102414551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102414551 = 47 ⋅2179033.

It is a cyclic number.

It is not a de Polignac number, because 155414201 - 2⁶ = 155414137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155416201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317011 + ... + 1317128.

It is an arithmetic number, because the mean of its divisors is an integer number (39512100).

Almost surely, 2^155414201 is an apocalyptic number.

It is an amenable number.

155414201 is a deficient number, since it is larger than the sum of its proper divisors (2634199).

155414201 is an equidigital number, since it uses as much as digits as its factorization.

155414201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634198.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 155414201 is about 12466.5232121871. The cubic root of 155414201 is about 537.6465953851.

Adding to 155414201 its reverse (102414551), we get a palindrome (257828752).

The spelling of 155414201 in words is "one hundred fifty-five million, four hundred fourteen thousand, two hundred one".