45730142 has 4 divisors (see below), whose sum is σ = 68595216. Its totient is φ = 22865070.

The previous prime is 45730121. The next prime is 45730151. The reversal of 45730142 is 24103754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24103754 = 2 ⋅12051877.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432534 + ... + 11432537.

It is an arithmetic number, because the mean of its divisors is an integer number (17148804).

Almost surely, 2^45730142 is an apocalyptic number.

45730142 is a deficient number, since it is larger than the sum of its proper divisors (22865074).

45730142 is a wasteful number, since it uses less digits than its factorization.

45730142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865073.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45730142 is about 6762.4065243077. The cubic root of 45730142 is about 357.6027500635.

Adding to 45730142 its reverse (24103754), we get a palindrome (69833896).

The spelling of 45730142 in words is "forty-five million, seven hundred thirty thousand, one hundred forty-two".