730154545 has 8 divisors (see below), whose sum is σ = 876952296. Its totient is φ = 583612416.

The previous prime is 730154533. The next prime is 730154603. The reversal of 730154545 is 545451037.

It can be written as a sum of positive squares in 4 ways, for example, as 50353216 + 679801329 = 7096^2 + 26073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 730154545 - 2¹³ = 730146353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 730154545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57562 + ... + 69091.

It is an arithmetic number, because the mean of its divisors is an integer number (109619037).

Almost surely, 2^730154545 is an apocalyptic number.

It is an amenable number.

730154545 is a deficient number, since it is larger than the sum of its proper divisors (146797751).

730154545 is a wasteful number, since it uses less digits than its factorization.

730154545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127811.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 730154545 is about 27021.3720043968. The cubic root of 730154545 is about 900.4748707970.

The spelling of 730154545 in words is "seven hundred thirty million, one hundred fifty-four thousand, five hundred forty-five".