45209082 has 16 divisors (see below), whose sum is σ = 92521440. Its totient is φ = 14719152.

The previous prime is 45209077. The next prime is 45209083. The reversal of 45209082 is 28090254.

It is a super-2 number, since 2×45209082² = 4087722190565448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45209083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87357 + ... + 87872.

It is an arithmetic number, because the mean of its divisors is an integer number (5782590).

Almost surely, 2^45209082 is an apocalyptic number.

45209082 is an abundant number, since it is smaller than the sum of its proper divisors (47312358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45209082 is a wasteful number, since it uses less digits than its factorization.

45209082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175277.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 45209082 is about 6723.7699246777. The cubic root of 45209082 is about 356.2393552991.

The spelling of 45209082 in words is "forty-five million, two hundred nine thousand, eighty-two".