15045023534 has 8 divisors (see below), whose sum is σ = 23548732560. Its totient is φ = 7195446016.

The previous prime is 15045023533. The next prime is 15045023563. The reversal of 15045023534 is 43532054051.

It is a happy number.

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

It is a super-2 number, since 2×15045023534² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15045023534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045023531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163532819 + ... + 163532910.

It is an arithmetic number, because the mean of its divisors is an integer number (2943591570).

Almost surely, 2^15045023534 is an apocalyptic number.

15045023534 is a deficient number, since it is larger than the sum of its proper divisors (8503709026).

15045023534 is a wasteful number, since it uses less digits than its factorization.

15045023534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327065754.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 15045023534 its reverse (43532054051), we get a palindrome (58577077585).

The spelling of 15045023534 in words is "fifteen billion, forty-five million, twenty-three thousand, five hundred thirty-four".