102151443 has 8 divisors (see below), whose sum is σ = 136252368. Its totient is φ = 68075744.

The previous prime is 102151411. The next prime is 102151451. The reversal of 102151443 is 344151201.

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

It is a cyclic number.

It is not a de Polignac number, because 102151443 - 2⁵ = 102151411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102151403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7405 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (17031546).

Almost surely, 2^102151443 is an apocalyptic number.

102151443 is a deficient number, since it is larger than the sum of its proper divisors (34100925).

102151443 is an equidigital number, since it uses as much as digits as its factorization.

102151443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102151443 is about 10106.9997031760. Note that the first 3 decimals coincide. The cubic root of 102151443 is about 467.4639975325.

The spelling of 102151443 in words is "one hundred two million, one hundred fifty-one thousand, four hundred forty-three".