45564142 has 8 divisors (see below), whose sum is σ = 73603656. Its totient is φ = 21029592.

The previous prime is 45564139. The next prime is 45564143. The reversal of 45564142 is 24146554.

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 not an unprimeable number, because it can be changed into a prime (45564143) 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, 876208 + ... + 876259.

It is an arithmetic number, because the mean of its divisors is an integer number (9200457).

Almost surely, 2^45564142 is an apocalyptic number.

45564142 is a deficient number, since it is larger than the sum of its proper divisors (28039514).

45564142 is a wasteful number, since it uses less digits than its factorization.

45564142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752482.

The product of its digits is 19200, while the sum is 31.

The square root of 45564142 is about 6750.1216285338. The cubic root of 45564142 is about 357.1695271969.

The spelling of 45564142 in words is "forty-five million, five hundred sixty-four thousand, one hundred forty-two".