2153230154 has 4 divisors (see below), whose sum is σ = 3229845234. Its totient is φ = 1076615076.

The previous prime is 2153230139. The next prime is 2153230171. The reversal of 2153230154 is 4510323512.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1453363129 + 699867025 = 38123^2 + 26455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538307537 + ... + 538307540.

Almost surely, 2^2153230154 is an apocalyptic number.

2153230154 is a deficient number, since it is larger than the sum of its proper divisors (1076615080).

2153230154 is a wasteful number, since it uses less digits than its factorization.

2153230154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076615079.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2153230154 is about 46402.9110509244. The cubic root of 2153230154 is about 1291.3089200161.

Adding to 2153230154 its reverse (4510323512), we get a palindrome (6663553666).

The spelling of 2153230154 in words is "two billion, one hundred fifty-three million, two hundred thirty thousand, one hundred fifty-four".