45245545444 has 48 divisors (see below), whose sum is σ = 93041012736. Its totient is φ = 19037383200.

The previous prime is 45245545439. The next prime is 45245545451. The reversal of 45245545444 is 44454554254.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 45245545394 and 45245545403.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 689742 + ... + 752485.

It is an arithmetic number, because the mean of its divisors is an integer number (1938354432).

Almost surely, 2^45245545444 is an apocalyptic number.

45245545444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45245545444 is an abundant number, since it is smaller than the sum of its proper divisors (47795467292).

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

45245545444 is a wasteful number, since it uses less digits than its factorization.

45245545444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442296 (or 1442294 counting only the distinct ones).

The product of its digits is 5120000, while the sum is 46.

The spelling of 45245545444 in words is "forty-five billion, two hundred forty-five million, five hundred forty-five thousand, four hundred forty-four".