45544155431 has 8 divisors (see below), whose sum is σ = 45710449344. Its totient is φ = 45378144000.

The previous prime is 45544155287. The next prime is 45544155457. The reversal of 45544155431 is 13455144554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45544155431 - 2³⁰ = 44470413607 is a prime.

It is a super-2 number, since 2×45544155431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544155131) 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, 255155 + ... + 395211.

It is an arithmetic number, because the mean of its divisors is an integer number (5713806168).

Almost surely, 2^45544155431 is an apocalyptic number.

45544155431 is a deficient number, since it is larger than the sum of its proper divisors (166293913).

45544155431 is a wasteful number, since it uses less digits than its factorization.

45544155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141241.

The product of its digits is 480000, while the sum is 41.

Adding to 45544155431 its reverse (13455144554), we get a palindrome (58999299985).

The spelling of 45544155431 in words is "forty-five billion, five hundred forty-four million, one hundred fifty-five thousand, four hundred thirty-one".