45545388 has 24 divisors (see below), whose sum is σ = 121454592. Its totient is φ = 13012944.

The previous prime is 45545387. The next prime is 45545389. The reversal of 45545388 is 88354554.

It is an interprime number because it is at equal distance from previous prime (45545387) and next prime (45545389).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (45545387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271020 + ... + 271187.

It is an arithmetic number, because the mean of its divisors is an integer number (5060608).

Almost surely, 2^45545388 is an apocalyptic number.

It is an amenable number.

45545388 is an abundant number, since it is smaller than the sum of its proper divisors (75909204).

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

45545388 is a wasteful number, since it uses less digits than its factorization.

45545388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542221 (or 542219 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The square root of 45545388 is about 6748.7323254075. The cubic root of 45545388 is about 357.1205173379.

The spelling of 45545388 in words is "forty-five million, five hundred forty-five thousand, three hundred eighty-eight".