45285319 has 4 divisors (see below), whose sum is σ = 45326560. Its totient is φ = 45244080.

The previous prime is 45285313. The next prime is 45285329. The reversal of 45285319 is 91358254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45285319 - 2⁹ = 45284807 is a prime.

It is a super-2 number, since 2×45285319² = 4101520233863522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45285313) 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, 18927 + ... + 21184.

It is an arithmetic number, because the mean of its divisors is an integer number (11331640).

Almost surely, 2^45285319 is an apocalyptic number.

45285319 is a deficient number, since it is larger than the sum of its proper divisors (41241).

45285319 is a wasteful number, since it uses less digits than its factorization.

45285319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41240.

The product of its digits is 43200, while the sum is 37.

The square root of 45285319 is about 6729.4367520618. The cubic root of 45285319 is about 356.4394874168.

The spelling of 45285319 in words is "forty-five million, two hundred eighty-five thousand, three hundred nineteen".