45490230 has 24 divisors (see below), whose sum is σ = 118274832. Its totient is φ = 12130704.

The previous prime is 45490229. The next prime is 45490231. The reversal of 45490230 is 3209454.

It is an interprime number because it is at equal distance from previous prime (45490229) and next prime (45490231).

It is a super-2 number, since 2×45490230² = 4138722050905800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45490194 and 45490203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45490231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252634 + ... + 252813.

It is an arithmetic number, because the mean of its divisors is an integer number (4928118).

Almost surely, 2^45490230 is an apocalyptic number.

45490230 is an abundant number, since it is smaller than the sum of its proper divisors (72784602).

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

45490230 is a wasteful number, since it uses less digits than its factorization.

45490230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505460 (or 505457 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 45490230 is about 6744.6445421534. The cubic root of 45490230 is about 356.9762948269.

Adding to 45490230 its reverse (3209454), we get a palindrome (48699684).

The spelling of 45490230 in words is "forty-five million, four hundred ninety thousand, two hundred thirty".