45483640 has 16 divisors (see below), whose sum is σ = 102338280. Its totient is φ = 18193440.

The previous prime is 45483623. The next prime is 45483649. The reversal of 45483640 is 4638454.

It is a junction number, because it is equal to n+sod(n) for n = 45483596 and 45483605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45483649) 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, 568506 + ... + 568585.

Almost surely, 2^45483640 is an apocalyptic number.

45483640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45483640 is an abundant number, since it is smaller than the sum of its proper divisors (56854640).

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

45483640 is a wasteful number, since it uses less digits than its factorization.

45483640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137102 (or 1137098 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 45483640 is about 6744.1559887061. The cubic root of 45483640 is about 356.9590560528.

The spelling of 45483640 in words is "forty-five million, four hundred eighty-three thousand, six hundred forty".