45551155450 has 24 divisors (see below), whose sum is σ = 85054842972. Its totient is φ = 18149560320.

The previous prime is 45551155423. The next prime is 45551155451. The reversal of 45551155450 is 5455115554.

It can be written as a sum of positive squares in 6 ways, for example, as 23909509129 + 21641646321 = 154627^2 + 147111^2 .

It is a super-3 number, since 3×45551155450³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45551155451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1759569 + ... + 1785268.

Almost surely, 2^45551155450 is an apocalyptic number.

45551155450 is a deficient number, since it is larger than the sum of its proper divisors (39503687522).

45551155450 is a wasteful number, since it uses less digits than its factorization.

45551155450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545106 (or 3545101 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 45551155450 in words is "forty-five billion, five hundred fifty-one million, one hundred fifty-five thousand, four hundred fifty".