45085398 has 8 divisors (see below), whose sum is σ = 90170808. Its totient is φ = 15028464.

The previous prime is 45085393. The next prime is 45085409. The reversal of 45085398 is 89358054.

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

45085398 is an admirable number.

It is a super-2 number, since 2×45085398² = 4065386225636808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45085393) 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 in 3 ways as a sum of consecutive naturals, for example, 3757111 + ... + 3757122.

It is an arithmetic number, because the mean of its divisors is an integer number (11271351).

Almost surely, 2^45085398 is an apocalyptic number.

45085398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45085398 is a wasteful number, since it uses less digits than its factorization.

45085398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7514238.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 45085398 is about 6714.5661066073. The cubic root of 45085398 is about 355.9141894344.

The spelling of 45085398 in words is "forty-five million, eighty-five thousand, three hundred ninety-eight".