102745298 has 4 divisors (see below), whose sum is σ = 154117950. Its totient is φ = 51372648.

The previous prime is 102745283. The next prime is 102745319. The reversal of 102745298 is 892547201.

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

It can be written as a sum of positive squares in only one way, i.e., 83411689 + 19333609 = 9133^2 + 4397^2 .

It is a super-2 number, since 2×102745298² = 21113192522217608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25686323 + ... + 25686326.

Almost surely, 2^102745298 is an apocalyptic number.

102745298 is a deficient number, since it is larger than the sum of its proper divisors (51372652).

102745298 is an equidigital number, since it uses as much as digits as its factorization.

102745298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51372651.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 102745298 is about 10136.3355311473. The cubic root of 102745298 is about 468.3681114089.

The spelling of 102745298 in words is "one hundred two million, seven hundred forty-five thousand, two hundred ninety-eight".