102373457 has 4 divisors (see below), whose sum is σ = 102429876. Its totient is φ = 102317040.

The previous prime is 102373441. The next prime is 102373459. The reversal of 102373457 is 754373201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27447121 + 74926336 = 5239^2 + 8656^2 .

It is a cyclic number.

It is not a de Polignac number, because 102373457 - 2⁴ = 102373441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102373459) 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, 25394 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (25607469).

Almost surely, 2^102373457 is an apocalyptic number.

It is an amenable number.

102373457 is a deficient number, since it is larger than the sum of its proper divisors (56419).

102373457 is an equidigital number, since it uses as much as digits as its factorization.

102373457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56418.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 102373457 is about 10117.9769222903. The cubic root of 102373457 is about 467.8024115986.

The spelling of 102373457 in words is "one hundred two million, three hundred seventy-three thousand, four hundred fifty-seven".