45071530 has 16 divisors (see below), whose sum is σ = 92718720. Its totient is φ = 15453072.

The previous prime is 45071527. The next prime is 45071561. The reversal of 45071530 is 3517054.

It is a junction number, because it is equal to n+sod(n) for n = 45071495 and 45071504.

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, 321870 + ... + 322009.

It is an arithmetic number, because the mean of its divisors is an integer number (5794920).

Almost surely, 2^45071530 is an apocalyptic number.

45071530 is an abundant number, since it is smaller than the sum of its proper divisors (47647190).

45071530 is a wasteful number, since it uses less digits than its factorization.

45071530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643893.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 45071530 is about 6713.5333469046. The cubic root of 45071530 is about 355.8776933302.

Adding to 45071530 its reverse (3517054), we get a palindrome (48588584).

The spelling of 45071530 in words is "forty-five million, seventy-one thousand, five hundred thirty".