15145232001 has 8 divisors (see below), whose sum is σ = 20845050624. Its totient is φ = 9771117360.

The previous prime is 15145231999. The next prime is 15145232077. The reversal of 15145232001 is 10023254151.

It is a happy number.

15145232001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15145232001 - 2¹ = 15145231999 is a prime.

It is a super-2 number, since 2×15145232001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15145232801) by changing a digit.

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, 81425886 + ... + 81426071.

It is an arithmetic number, because the mean of its divisors is an integer number (2605631328).

Almost surely, 2^15145232001 is an apocalyptic number.

It is an amenable number.

15145232001 is a deficient number, since it is larger than the sum of its proper divisors (5699818623).

15145232001 is a wasteful number, since it uses less digits than its factorization.

15145232001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162851991.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 15145232001 its reverse (10023254151), we get a palindrome (25168486152).

The spelling of 15145232001 in words is "fifteen billion, one hundred forty-five million, two hundred thirty-two thousand, one".