102444351 has 4 divisors (see below), whose sum is σ = 136592472. Its totient is φ = 68296232.

The previous prime is 102444343. The next prime is 102444373. The reversal of 102444351 is 153444201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102444351 - 2³ = 102444343 is a prime.

It is a super-2 number, since 2×102444351² = 20989690103622402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444311) 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, 17074056 + ... + 17074061.

It is an arithmetic number, because the mean of its divisors is an integer number (34148118).

Almost surely, 2^102444351 is an apocalyptic number.

102444351 is a deficient number, since it is larger than the sum of its proper divisors (34148121).

102444351 is an equidigital number, since it uses as much as digits as its factorization.

102444351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34148120.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102444351 is about 10121.4796843149. The cubic root of 102444351 is about 467.9103716519.

Adding to 102444351 its reverse (153444201), we get a palindrome (255888552).

The spelling of 102444351 in words is "one hundred two million, four hundred forty-four thousand, three hundred fifty-one".