45144342 has 24 divisors (see below), whose sum is σ = 102961560. Its totient is φ = 14256000.

The previous prime is 45144311. The next prime is 45144349. The reversal of 45144342 is 24344154.

It is a happy number.

It is a super-3 number, since 3×45144342³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144349) 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, 65659 + ... + 66342.

It is an arithmetic number, because the mean of its divisors is an integer number (4290065).

Almost surely, 2^45144342 is an apocalyptic number.

45144342 is an abundant number, since it is smaller than the sum of its proper divisors (57817218).

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

45144342 is a wasteful number, since it uses less digits than its factorization.

45144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132028 (or 132025 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 45144342 is about 6718.9539364398. The cubic root of 45144342 is about 356.0692275842.

Adding to 45144342 its reverse (24344154), we get a palindrome (69488496).

The spelling of 45144342 in words is "forty-five million, one hundred forty-four thousand, three hundred forty-two".