102299474 has 4 divisors (see below), whose sum is σ = 153449214. Its totient is φ = 51149736.

The previous prime is 102299471. The next prime is 102299503. The reversal of 102299474 is 474992201.

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., 85840225 + 16459249 = 9265^2 + 4057^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102299471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25574867 + ... + 25574870.

Almost surely, 2^102299474 is an apocalyptic number.

102299474 is a deficient number, since it is larger than the sum of its proper divisors (51149740).

102299474 is an equidigital number, since it uses as much as digits as its factorization.

102299474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51149739.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 102299474 is about 10114.3202440896. The cubic root of 102299474 is about 467.6896943399.

The spelling of 102299474 in words is "one hundred two million, two hundred ninety-nine thousand, four hundred seventy-four".