45487248 has 20 divisors (see below), whose sum is σ = 117508848. Its totient is φ = 15162400.

The previous prime is 45487241. The next prime is 45487259. The reversal of 45487248 is 84278454.

It is a super-2 number, since 2×45487248² = 4138179461227008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45487241) 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, 473778 + ... + 473873.

Almost surely, 2^45487248 is an apocalyptic number.

45487248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45487248 is an abundant number, since it is smaller than the sum of its proper divisors (72021600).

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

45487248 is a wasteful number, since it uses less digits than its factorization.

45487248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947662 (or 947656 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 45487248 is about 6744.4234742489. The cubic root of 45487248 is about 356.9684944225.

The spelling of 45487248 in words is "forty-five million, four hundred eighty-seven thousand, two hundred forty-eight".