45152730 has 48 divisors (see below), whose sum is σ = 134169984. Its totient is φ = 10320480.

The previous prime is 45152719. The next prime is 45152741. The reversal of 45152730 is 3725154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45152719) and next prime (45152741).

It is a junction number, because it is equal to n+sod(n) for n = 45152694 and 45152703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35206 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (2795208).

Almost surely, 2^45152730 is an apocalyptic number.

45152730 is an abundant number, since it is smaller than the sum of its proper divisors (89017254).

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

45152730 is a wasteful number, since it uses less digits than its factorization.

45152730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71691 (or 71688 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45152730 is about 6719.5781117567. The cubic root of 45152730 is about 356.0912792492.

Adding to 45152730 its reverse (3725154), we get a palindrome (48877884).

The spelling of 45152730 in words is "forty-five million, one hundred fifty-two thousand, seven hundred thirty".