15045420534 has 8 divisors (see below), whose sum is σ = 30090841080. Its totient is φ = 5015140176.

The previous prime is 15045420517. The next prime is 15045420569. The reversal of 15045420534 is 43502454051.

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

15045420534 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 15045420495 and 15045420504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253785039 + ... + 1253785050.

It is an arithmetic number, because the mean of its divisors is an integer number (3761355135).

Almost surely, 2^15045420534 is an apocalyptic number.

15045420534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15045420534 is a wasteful number, since it uses less digits than its factorization.

15045420534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507570094.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 15045420534 its reverse (43502454051), we get a palindrome (58547874585).

The spelling of 15045420534 in words is "fifteen billion, forty-five million, four hundred twenty thousand, five hundred thirty-four".