2155032346 has 8 divisors (see below), whose sum is σ = 3233097504. Its totient is φ = 1077333180.

The previous prime is 2155032317. The next prime is 2155032359. The reversal of 2155032346 is 6432305512.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76270 + ... + 100633.

It is an arithmetic number, because the mean of its divisors is an integer number (404137188).

Almost surely, 2^2155032346 is an apocalyptic number.

2155032346 is a deficient number, since it is larger than the sum of its proper divisors (1078065158).

2155032346 is a wasteful number, since it uses less digits than its factorization.

2155032346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182996.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2155032346 is about 46422.3259434510. The cubic root of 2155032346 is about 1291.6690824198.

Adding to 2155032346 its reverse (6432305512), we get a palindrome (8587337858).

The spelling of 2155032346 in words is "two billion, one hundred fifty-five million, thirty-two thousand, three hundred forty-six".