15481002 has 8 divisors (see below), whose sum is σ = 30962016. Its totient is φ = 5160332.

The previous prime is 15480979. The next prime is 15481009. The reversal of 15481002 is 20018451.

15481002 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.

15481002 is an admirable number.

It is a super-2 number, since 2×15481002² = 479322845848008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15481002.

It is not an unprimeable number, because it can be changed into a prime (15481009) 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, 1290078 + ... + 1290089.

It is an arithmetic number, because the mean of its divisors is an integer number (3870252).

Almost surely, 2^15481002 is an apocalyptic number.

15481002 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.

15481002 is a wasteful number, since it uses less digits than its factorization.

15481002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580172.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 15481002 is about 3934.5904488269. The cubic root of 15481002 is about 249.2296392824.

Adding to 15481002 its reverse (20018451), we get a palindrome (35499453).

The spelling of 15481002 in words is "fifteen million, four hundred eighty-one thousand, two".