155014214233 has 4 divisors (see below), whose sum is σ = 155027348388. Its totient is φ = 155001080080.

The previous prime is 155014214221. The next prime is 155014214239. The reversal of 155014214233 is 332412410551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98604164169 + 56410050064 = 314013^2 + 237508^2 .

It is a cyclic number.

It is not a de Polignac number, because 155014214233 - 2³³ = 146424279641 is a prime.

It is a super-2 number, since 2×155014214233² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155014214195 and 155014214204.

It is not an unprimeable number, because it can be changed into a prime (155014214239) 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, 6549358 + ... + 6572983.

It is an arithmetic number, because the mean of its divisors is an integer number (38756837097).

Almost surely, 2^155014214233 is an apocalyptic number.

It is an amenable number.

155014214233 is a deficient number, since it is larger than the sum of its proper divisors (13134155).

155014214233 is a wasteful number, since it uses less digits than its factorization.

155014214233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134154.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 155014214233 its reverse (332412410551), we get a palindrome (487426624784).

The spelling of 155014214233 in words is "one hundred fifty-five billion, fourteen million, two hundred fourteen thousand, two hundred thirty-three".