1531068145 has 8 divisors (see below), whose sum is σ = 1896549120. Its totient is φ = 1185342960.

The previous prime is 1531068139. The next prime is 1531068179. The reversal of 1531068145 is 5418601351.

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

It is not a de Polignac number, because 1531068145 - 2⁷ = 1531068017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1531068145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938775 + ... + 4939084.

It is an arithmetic number, because the mean of its divisors is an integer number (237068640).

Almost surely, 2^1531068145 is an apocalyptic number.

It is an amenable number.

1531068145 is a deficient number, since it is larger than the sum of its proper divisors (365480975).

1531068145 is an equidigital number, since it uses as much as digits as its factorization.

1531068145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877895.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1531068145 is about 39128.8658792968. The cubic root of 1531068145 is about 1152.5634423161.

Adding to 1531068145 its reverse (5418601351), we get a palindrome (6949669496).

The spelling of 1531068145 in words is "one billion, five hundred thirty-one million, sixty-eight thousand, one hundred forty-five".