2152305154 has 4 divisors (see below), whose sum is σ = 3228457734. Its totient is φ = 1076152576.

The previous prime is 2152305097. The next prime is 2152305157. The reversal of 2152305154 is 4515032512.

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., 1823717025 + 328588129 = 42705^2 + 18127^2 .

It is not an unprimeable number, because it can be changed into a prime (2152305157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538076287 + ... + 538076290.

Almost surely, 2^2152305154 is an apocalyptic number.

2152305154 is a deficient number, since it is larger than the sum of its proper divisors (1076152580).

2152305154 is a wasteful number, since it uses less digits than its factorization.

2152305154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076152579.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2152305154 is about 46392.9429331660. The cubic root of 2152305154 is about 1291.1239836263.

Adding to 2152305154 its reverse (4515032512), we get a palindrome (6667337666).

The spelling of 2152305154 in words is "two billion, one hundred fifty-two million, three hundred five thousand, one hundred fifty-four".