45442230 has 16 divisors (see below), whose sum is σ = 109061424. Its totient is φ = 12117920.

The previous prime is 45442157. The next prime is 45442277. The reversal of 45442230 is 3224454.

It is a self number, because there is not a number n which added to its sum of digits gives 45442230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757341 + ... + 757400.

It is an arithmetic number, because the mean of its divisors is an integer number (6816339).

Almost surely, 2^45442230 is an apocalyptic number.

45442230 is an abundant number, since it is smaller than the sum of its proper divisors (63619194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45442230 is a wasteful number, since it uses less digits than its factorization.

45442230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514751.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45442230 is about 6741.0852242054. The cubic root of 45442230 is about 356.8506935536.

Adding to 45442230 its reverse (3224454), we get a palindrome (48666684).

The spelling of 45442230 in words is "forty-five million, four hundred forty-two thousand, two hundred thirty".