1145301730 has 32 divisors (see below), whose sum is σ = 2184764400. Its totient is φ = 430786560.

The previous prime is 1145301709. The next prime is 1145301791. The reversal of 1145301730 is 371035411.

It can be written as a sum of positive squares in 8 ways, for example, as 756305001 + 388996729 = 27501^2 + 19723^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145301695 and 1145301704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249496 + ... + 254044.

Almost surely, 2^1145301730 is an apocalyptic number.

1145301730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145301730 is a deficient number, since it is larger than the sum of its proper divisors (1039462670).

1145301730 is a wasteful number, since it uses less digits than its factorization.

1145301730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1145301730 is about 33842.3068067175. The cubic root of 1145301730 is about 1046.2608439063.

The spelling of 1145301730 in words is "one billion, one hundred forty-five million, three hundred one thousand, seven hundred thirty".