155154213 has 6 divisors (see below), whose sum is σ = 224111654. Its totient is φ = 103436136.

The previous prime is 155154187. The next prime is 155154217. The reversal of 155154213 is 312451551.

It can be written as a sum of positive squares in only one way, i.e., 148279329 + 6874884 = 12177^2 + 2622^2 .

It is not a de Polignac number, because 155154213 - 2⁶ = 155154149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155154217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8619670 + ... + 8619687.

Almost surely, 2^155154213 is an apocalyptic number.

It is an amenable number.

155154213 is a deficient number, since it is larger than the sum of its proper divisors (68957441).

155154213 is a wasteful number, since it uses less digits than its factorization.

155154213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17239363 (or 17239360 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 155154213 is about 12456.0914013988. The cubic root of 155154213 is about 537.3466234815.

The spelling of 155154213 in words is "one hundred fifty-five million, one hundred fifty-four thousand, two hundred thirteen".