45071142 has 8 divisors (see below), whose sum is σ = 90142296. Its totient is φ = 15023712.

The previous prime is 45071141. The next prime is 45071153. The reversal of 45071142 is 24117054.

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

45071142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45071141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3755923 + ... + 3755934.

It is an arithmetic number, because the mean of its divisors is an integer number (11267787).

Almost surely, 2^45071142 is an apocalyptic number.

45071142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45071142 is a wasteful number, since it uses less digits than its factorization.

45071142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7511862.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 45071142 is about 6713.5044499874. The cubic root of 45071142 is about 355.8766721317.

Adding to 45071142 its reverse (24117054), we get a palindrome (69188196).

The spelling of 45071142 in words is "forty-five million, seventy-one thousand, one hundred forty-two".