730530145 has 16 divisors (see below), whose sum is σ = 936555840. Its totient is φ = 545396544.

The previous prime is 730530133. The next prime is 730530149. The reversal of 730530145 is 541035037.

It is a cyclic number.

It is not a de Polignac number, because 730530145 - 2⁵ = 730530113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (730530149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51022 + ... + 63751.

It is an arithmetic number, because the mean of its divisors is an integer number (58534740).

Almost surely, 2^730530145 is an apocalyptic number.

It is an amenable number.

730530145 is a deficient number, since it is larger than the sum of its proper divisors (206025695).

730530145 is a wasteful number, since it uses less digits than its factorization.

730530145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114864.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 730530145 is about 27028.3211650298. The cubic root of 730530145 is about 900.6292492483.

The spelling of 730530145 in words is "seven hundred thirty million, five hundred thirty thousand, one hundred forty-five".