102745546 has 4 divisors (see below), whose sum is σ = 154118322. Its totient is φ = 51372772.

The previous prime is 102745537. The next prime is 102745607. The reversal of 102745546 is 645547201.

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., 86025625 + 16719921 = 9275^2 + 4089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25686385 + ... + 25686388.

Almost surely, 2^102745546 is an apocalyptic number.

102745546 is a deficient number, since it is larger than the sum of its proper divisors (51372776).

102745546 is an equidigital number, since it uses as much as digits as its factorization.

102745546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51372775.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 102745546 is about 10136.3477643577. The cubic root of 102745546 is about 468.3684882476.

The spelling of 102745546 in words is "one hundred two million, seven hundred forty-five thousand, five hundred forty-six".