45021010 has 8 divisors (see below), whose sum is σ = 81037836. Its totient is φ = 18008400.

The previous prime is 45021007. The next prime is 45021017. The reversal of 45021010 is 1012054.

It can be written as a sum of positive squares in 2 ways, for example, as 37197801 + 7823209 = 6099^2 + 2797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45021017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251041 + ... + 2251060.

Almost surely, 2^45021010 is an apocalyptic number.

45021010 is a deficient number, since it is larger than the sum of its proper divisors (36016826).

45021010 is a wasteful number, since it uses less digits than its factorization.

45021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502108.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 45021010 is about 6709.7697426961. The cubic root of 45021010 is about 355.7446776350.

Adding to 45021010 its reverse (1012054), we get a palindrome (46033064).

The spelling of 45021010 in words is "forty-five million, twenty-one thousand, ten".