15242401345 has 8 divisors (see below), whose sum is σ = 18348583464. Its totient is φ = 12155453184.

The previous prime is 15242401327. The next prime is 15242401351. The reversal of 15242401345 is 54310424251.

It can be written as a sum of positive squares in 4 ways, for example, as 765739584 + 14476661761 = 27672^2 + 120319^2 .

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 15242401345 - 2¹¹ = 15242399297 is a prime.

It is a Duffinian number.

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, 4806744 + ... + 4809913.

It is an arithmetic number, because the mean of its divisors is an integer number (2293572933).

Almost surely, 2^15242401345 is an apocalyptic number.

It is an amenable number.

15242401345 is a deficient number, since it is larger than the sum of its proper divisors (3106182119).

15242401345 is an equidigital number, since it uses as much as digits as its factorization.

15242401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616979.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 15242401345 its reverse (54310424251), we get a palindrome (69552825596).

The spelling of 15242401345 in words is "fifteen billion, two hundred forty-two million, four hundred one thousand, three hundred forty-five".