102743258 has 8 divisors (see below), whose sum is σ = 154184628. Its totient is φ = 51348384.

The previous prime is 102743239. The next prime is 102743299. The reversal of 102743258 is 852347201.

It can be written as a sum of positive squares in 2 ways, for example, as 87478609 + 15264649 = 9353^2 + 3907^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5441 + ... + 15332.

Almost surely, 2^102743258 is an apocalyptic number.

102743258 is a deficient number, since it is larger than the sum of its proper divisors (51441370).

102743258 is a wasteful number, since it uses less digits than its factorization.

102743258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23248.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 102743258 is about 10136.2349025661. The cubic root of 102743258 is about 468.3650115841.

The spelling of 102743258 in words is "one hundred two million, seven hundred forty-three thousand, two hundred fifty-eight".