15480046 has 4 divisors (see below), whose sum is σ = 23220072. Its totient is φ = 7740022.

The previous prime is 15480029. The next prime is 15480053. The reversal of 15480046 is 64008451.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 15479996 and 15480023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3870010 + ... + 3870013.

It is an arithmetic number, because the mean of its divisors is an integer number (5805018).

Almost surely, 2^15480046 is an apocalyptic number.

15480046 is a deficient number, since it is larger than the sum of its proper divisors (7740026).

15480046 is an equidigital number, since it uses as much as digits as its factorization.

15480046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740025.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 15480046 is about 3934.4689603554. The cubic root of 15480046 is about 249.2245089418.

Adding to 15480046 its reverse (64008451), we get a palindrome (79488497).

It can be divided in two parts, 154800 and 46, that added together give a triangular number (154846 = T₅₅₆).

The spelling of 15480046 in words is "fifteen million, four hundred eighty thousand, forty-six".