45312142 has 16 divisors (see below), whose sum is σ = 71316864. Its totient is φ = 21564000.

The previous prime is 45312133. The next prime is 45312143. The reversal of 45312142 is 24121354.

45312142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45312142³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45312143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209 + ... + 9772.

It is an arithmetic number, because the mean of its divisors is an integer number (4457304).

Almost surely, 2^45312142 is an apocalyptic number.

45312142 is a deficient number, since it is larger than the sum of its proper divisors (26004722).

45312142 is a wasteful number, since it uses less digits than its factorization.

45312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075.

The product of its digits is 960, while the sum is 22.

The square root of 45312142 is about 6731.4294172932. The cubic root of 45312142 is about 356.5098478894.

Adding to 45312142 its reverse (24121354), we get a palindrome (69433496).

It can be divided in two parts, 45312 and 142, that added together give a palindrome (45454).

The spelling of 45312142 in words is "forty-five million, three hundred twelve thousand, one hundred forty-two".