45000002 has 16 divisors (see below), whose sum is σ = 68607000. Its totient is φ = 22133760.

The previous prime is 44999971. The next prime is 45000017. The reversal of 45000002 is 20000054.

It can be written as a sum of positive squares in 4 ways, for example, as 43414921 + 1585081 = 6589^2 + 1259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42374 + ... + 43422.

Almost surely, 2^45000002 is an apocalyptic number.

45000002 is a deficient number, since it is larger than the sum of its proper divisors (23606998).

45000002 is a wasteful number, since it uses less digits than its factorization.

45000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 45000002 is about 6708.2040815706. The cubic root of 45000002 is about 355.6893357185.

Adding to 45000002 its reverse (20000054), we get a palindrome (65000056).

It can be divided in two parts, 4500000 and 2, that multiplied together give a square (9000000 = 3000²).

The spelling of 45000002 in words is "forty-five million, two", and thus it is an aban number and an uban number.