45603665 has 8 divisors (see below), whose sum is σ = 55041768. Its totient is φ = 36271360.

The previous prime is 45603659. The next prime is 45603671. The reversal of 45603665 is 56630654.

It is an interprime number because it is at equal distance from previous prime (45603659) and next prime (45603671).

It can be written as a sum of positive squares in 4 ways, for example, as 4528384 + 41075281 = 2128^2 + 6409^2 .

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

It is not a de Polignac number, because 45603665 - 2⁸ = 45603409 is a prime.

It is a super-2 number, since 2×45603665² = 4159388522864450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25496 + ... + 27225.

It is an arithmetic number, because the mean of its divisors is an integer number (6880221).

Almost surely, 2^45603665 is an apocalyptic number.

It is an amenable number.

45603665 is a deficient number, since it is larger than the sum of its proper divisors (9438103).

45603665 is a wasteful number, since it uses less digits than its factorization.

45603665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52899.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 45603665 is about 6753.0485708308. The cubic root of 45603665 is about 357.2727687005.

The spelling of 45603665 in words is "forty-five million, six hundred three thousand, six hundred sixty-five".