745815002 has 4 divisors (see below), whose sum is σ = 1118722506. Its totient is φ = 372907500.

The previous prime is 745815001. The next prime is 745815013. The reversal of 745815002 is 200518547.

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., 735440161 + 10374841 = 27119^2 + 3221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 745815002.

It is not an unprimeable number, because it can be changed into a prime (745815001) by changing a digit.

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 as a sum of consecutive naturals, namely, 186453749 + ... + 186453752.

Almost surely, 2^745815002 is an apocalyptic number.

745815002 is a deficient number, since it is larger than the sum of its proper divisors (372907504).

745815002 is a wasteful number, since it uses less digits than its factorization.

745815002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372907503.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 745815002 is about 27309.6137285023. The cubic root of 745815002 is about 906.8672220397.

The spelling of 745815002 in words is "seven hundred forty-five million, eight hundred fifteen thousand, two".