45444434 has 32 divisors (see below), whose sum is σ = 83566080. Its totient is φ = 18091008.

The previous prime is 45444401. The next prime is 45444437. The reversal of 45444434 is 43444454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45444434.

It is not an unprimeable number, because it can be changed into a prime (45444437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17594 + ... + 20010.

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

Almost surely, 2^45444434 is an apocalyptic number.

45444434 is a deficient number, since it is larger than the sum of its proper divisors (38121646).

45444434 is a wasteful number, since it uses less digits than its factorization.

45444434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522.

The product of its digits is 61440, while the sum is 32.

The square root of 45444434 is about 6741.2486973854. The cubic root of 45444434 is about 356.8564626823.

Adding to 45444434 its reverse (43444454), we get a palindrome (88888888).

The spelling of 45444434 in words is "forty-five million, four hundred forty-four thousand, four hundred thirty-four".