45242805 has 16 divisors (see below), whose sum is σ = 72825984. Its totient is φ = 23983680.

The previous prime is 45242801. The next prime is 45242809. The reversal of 45242805 is 50824254.

It is an interprime number because it is at equal distance from previous prime (45242801) and next prime (45242809).

It is not a de Polignac number, because 45242805 - 2² = 45242801 is a prime.

It is a super-2 number, since 2×45242805² = 4093822808536050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6526 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (4551624).

Almost surely, 2^45242805 is an apocalyptic number.

It is an amenable number.

45242805 is a deficient number, since it is larger than the sum of its proper divisors (27583179).

45242805 is a wasteful number, since it uses less digits than its factorization.

45242805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18236.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 45242805 is about 6726.2772021379. The cubic root of 45242805 is about 356.3279103224.

The spelling of 45242805 in words is "forty-five million, two hundred forty-two thousand, eight hundred five".