102444151 has 2 divisors, whose sum is σ = 102444152. Its totient is φ = 102444150.

The previous prime is 102444149. The next prime is 102444179. The reversal of 102444151 is 151444201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102444151 - 2¹ = 102444149 is a prime.

It is a super-2 number, since 2×102444151² = 20989608148221602, which contains 22 as substring.

Together with 102444149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102444101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51222075 + 51222076.

It is an arithmetic number, because the mean of its divisors is an integer number (51222076).

Almost surely, 2^102444151 is an apocalyptic number.

102444151 is a deficient number, since it is larger than the sum of its proper divisors (1).

102444151 is an equidigital number, since it uses as much as digits as its factorization.

102444151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 102444151 is about 10121.4698043318. The cubic root of 102444151 is about 467.9100671544.

Adding to 102444151 its reverse (151444201), we get a palindrome (253888352).

Subtracting 102444151 from its reverse (151444201), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 102444151 in words is "one hundred two million, four hundred forty-four thousand, one hundred fifty-one".