45532142 has 8 divisors (see below), whose sum is σ = 68350176. Its totient is φ = 22748752.

The previous prime is 45532121. The next prime is 45532177. The reversal of 45532142 is 24123554.

It is a happy number.

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

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, 5078 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (8543772).

Almost surely, 2^45532142 is an apocalyptic number.

45532142 is a deficient number, since it is larger than the sum of its proper divisors (22818034).

45532142 is a wasteful number, since it uses less digits than its factorization.

45532142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17322.

The product of its digits is 4800, while the sum is 26.

The square root of 45532142 is about 6747.7508845541. The cubic root of 45532142 is about 357.0858934368.

Adding to 45532142 its reverse (24123554), we get a palindrome (69655696).

The spelling of 45532142 in words is "forty-five million, five hundred thirty-two thousand, one hundred forty-two".