45431142 has 8 divisors (see below), whose sum is σ = 90862296. Its totient is φ = 15143712.

The previous prime is 45431131. The next prime is 45431171. The reversal of 45431142 is 24113454.

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

45431142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785923 + ... + 3785934.

It is an arithmetic number, because the mean of its divisors is an integer number (11357787).

Almost surely, 2^45431142 is an apocalyptic number.

45431142 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.

45431142 is a wasteful number, since it uses less digits than its factorization.

45431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571862.

The product of its digits is 1920, while the sum is 24.

The square root of 45431142 is about 6740.2627545223. The cubic root of 45431142 is about 356.8216670853.

Adding to 45431142 its reverse (24113454), we get a palindrome (69544596).

The spelling of 45431142 in words is "forty-five million, four hundred thirty-one thousand, one hundred forty-two".