45430238 has 16 divisors (see below), whose sum is σ = 79158624. Its totient is φ = 19150560.

The previous prime is 45430237. The next prime is 45430261. The reversal of 45430238 is 83203454.

It is a self number, because there is not a number n which added to its sum of digits gives 45430238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45430237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25745 + ... + 27452.

It is an arithmetic number, because the mean of its divisors is an integer number (4947414).

Almost surely, 2^45430238 is an apocalyptic number.

45430238 is a deficient number, since it is larger than the sum of its proper divisors (33728386).

45430238 is a wasteful number, since it uses less digits than its factorization.

45430238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53267.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 45430238 is about 6740.1956944884. The cubic root of 45430238 is about 356.8193003613.

The spelling of 45430238 in words is "forty-five million, four hundred thirty thousand, two hundred thirty-eight".