15134450381 has 8 divisors (see below), whose sum is σ = 15166906560. Its totient is φ = 15102021088.

The previous prime is 15134450321. The next prime is 15134450389. The reversal of 15134450381 is 18305443151.

It is a happy number.

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 15134450381 - 2¹⁰ = 15134449357 is a prime.

It is a super-2 number, since 2×15134450381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15134450389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437920 + ... + 1448406.

It is an arithmetic number, because the mean of its divisors is an integer number (1895863320).

Almost surely, 2^15134450381 is an apocalyptic number.

It is an amenable number.

15134450381 is a deficient number, since it is larger than the sum of its proper divisors (32456179).

15134450381 is a wasteful number, since it uses less digits than its factorization.

15134450381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 15134450381 in words is "fifteen billion, one hundred thirty-four million, four hundred fifty thousand, three hundred eighty-one".