2155150154 has 8 divisors (see below), whose sum is σ = 3232928388. Its totient is φ = 1077507360.

The previous prime is 2155150139. The next prime is 2155150157. The reversal of 2155150154 is 4510515512.

It can be written as a sum of positive squares in 2 ways, for example, as 2155094929 + 55225 = 46423^2 + 235^2 .

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 (2155150157) 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, 30044 + ... + 72200.

Almost surely, 2^2155150154 is an apocalyptic number.

2155150154 is a deficient number, since it is larger than the sum of its proper divisors (1077778234).

2155150154 is a wasteful number, since it uses less digits than its factorization.

2155150154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67720.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 2155150154 is about 46423.5947983350. The cubic root of 2155150154 is about 1291.6926189851.

Adding to 2155150154 its reverse (4510515512), we get a palindrome (6665665666).

The spelling of 2155150154 in words is "two billion, one hundred fifty-five million, one hundred fifty thousand, one hundred fifty-four".