45148382820 has 72 divisors (see below), whose sum is σ = 138994162944. Its totient is φ = 11859870528.

The previous prime is 45148382801. The next prime is 45148382827. The reversal of 45148382820 is 2828384154.

45148382820 is a `hidden beast` number, since 451 + 48 + 3 + 82 + 82 + 0 = 666.

It is a super-2 number, since 2×45148382820² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (45148382827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1859764 + ... + 1883883.

Almost surely, 2^45148382820 is an apocalyptic number.

It is an amenable number.

45148382820 is an abundant number, since it is smaller than the sum of its proper divisors (93845780124).

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

45148382820 is a wasteful number, since it uses less digits than its factorization.

45148382820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743729 (or 3743724 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 45148382820 in words is "forty-five billion, one hundred forty-eight million, three hundred eighty-two thousand, eight hundred twenty".