45454142 has 4 divisors (see below), whose sum is σ = 68181216. Its totient is φ = 22727070.

The previous prime is 45454133. The next prime is 45454147. The reversal of 45454142 is 24145454.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363534 + ... + 11363537.

It is an arithmetic number, because the mean of its divisors is an integer number (17045304).

Almost surely, 2^45454142 is an apocalyptic number.

45454142 is a deficient number, since it is larger than the sum of its proper divisors (22727074).

45454142 is a wasteful number, since it uses less digits than its factorization.

45454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727073.

The product of its digits is 12800, while the sum is 29.

The square root of 45454142 is about 6741.9687035761. The cubic root of 45454142 is about 356.8818718511.

Adding to 45454142 its reverse (24145454), we get a palindrome (69599596).

The spelling of 45454142 in words is "forty-five million, four hundred fifty-four thousand, one hundred forty-two".