45817142 has 32 divisors (see below), whose sum is σ = 83566080. Its totient is φ = 18391680.

The previous prime is 45817133. The next prime is 45817183. The reversal of 45817142 is 24171854.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45817099 and 45817108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73709 + ... + 74327.

It is an arithmetic number, because the mean of its divisors is an integer number (2611440).

Almost surely, 2^45817142 is an apocalyptic number.

45817142 is a deficient number, since it is larger than the sum of its proper divisors (37748938).

45817142 is a wasteful number, since it uses less digits than its factorization.

45817142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its digits is 8960, while the sum is 32.

The square root of 45817142 is about 6768.8360890186. The cubic root of 45817142 is about 357.8293819905.

Adding to 45817142 its reverse (24171854), we get a palindrome (69988996).

The spelling of 45817142 in words is "forty-five million, eight hundred seventeen thousand, one hundred forty-two".