45603640 has 16 divisors (see below), whose sum is σ = 102608280. Its totient is φ = 18241440.

The previous prime is 45603599. The next prime is 45603653. The reversal of 45603640 is 4630654.

It is a junction number, because it is equal to n+sod(n) for n = 45603599 and 45603608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570006 + ... + 570085.

Almost surely, 2^45603640 is an apocalyptic number.

45603640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45603640 is an abundant number, since it is smaller than the sum of its proper divisors (57004640).

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

45603640 is a wasteful number, since it uses less digits than its factorization.

45603640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140102 (or 1140098 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 45603640 is about 6753.0467198147. The cubic root of 45603640 is about 357.2727034147.

The spelling of 45603640 in words is "forty-five million, six hundred three thousand, six hundred forty".