45145330 has 16 divisors (see below), whose sum is σ = 85538880. Its totient is φ = 17107632.

The previous prime is 45145301. The next prime is 45145363. The reversal of 45145330 is 3354154.

It is a junction number, because it is equal to n+sod(n) for n = 45145295 and 45145304.

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, 118614 + ... + 118993.

It is an arithmetic number, because the mean of its divisors is an integer number (5346180).

Almost surely, 2^45145330 is an apocalyptic number.

45145330 is a deficient number, since it is larger than the sum of its proper divisors (40393550).

45145330 is a wasteful number, since it uses less digits than its factorization.

45145330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237633.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45145330 is about 6719.0274593873. The cubic root of 45145330 is about 356.0718251325.

Adding to 45145330 its reverse (3354154), we get a palindrome (48499484).

The spelling of 45145330 in words is "forty-five million, one hundred forty-five thousand, three hundred thirty".