15140648 has 16 divisors (see below), whose sum is σ = 29304960. Its totient is φ = 7326000.

The previous prime is 15140621. The next prime is 15140689. The reversal of 15140648 is 84604151.

It is a super-3 number, since 3×15140648³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15140648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30278 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (1831560).

Almost surely, 2^15140648 is an apocalyptic number.

It is an amenable number.

15140648 is a deficient number, since it is larger than the sum of its proper divisors (14164312).

15140648 is a wasteful number, since it uses less digits than its factorization.

15140648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61088 (or 61084 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 15140648 is about 3891.0985595330. The cubic root of 15140648 is about 247.3896280310.

Adding to 15140648 its reverse (84604151), we get a palindrome (99744799).

The spelling of 15140648 in words is "fifteen million, one hundred forty thousand, six hundred forty-eight".