213043154 has 8 divisors (see below), whose sum is σ = 321330828. Its totient is φ = 105932880.

The previous prime is 213043153. The next prime is 213043163. The reversal of 213043154 is 451340312.

It can be written as a sum of positive squares in 2 ways, for example, as 164531929 + 48511225 = 12827^2 + 6965^2 .

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

It is not an unprimeable number, because it can be changed into a prime (213043153) 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, 293897 + ... + 294620.

Almost surely, 2^213043154 is an apocalyptic number.

213043154 is a deficient number, since it is larger than the sum of its proper divisors (108287674).

213043154 is a wasteful number, since it uses less digits than its factorization.

213043154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588700.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 213043154 is about 14595.9978761303. The cubic root of 213043154 is about 597.2495909783.

Adding to 213043154 its reverse (451340312), we get a palindrome (664383466).

The spelling of 213043154 in words is "two hundred thirteen million, forty-three thousand, one hundred fifty-four".