15148655 has 4 divisors (see below), whose sum is σ = 18178392. Its totient is φ = 12118920.

The previous prime is 15148607. The next prime is 15148657. The reversal of 15148655 is 55684151.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55684151 = 709 ⋅78539.

It is not a de Polignac number, because 15148655 - 2¹⁶ = 15083119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15148657) 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, 1514861 + ... + 1514870.

It is an arithmetic number, because the mean of its divisors is an integer number (4544598).

Almost surely, 2^15148655 is an apocalyptic number.

15148655 is a deficient number, since it is larger than the sum of its proper divisors (3029737).

15148655 is an equidigital number, since it uses as much as digits as its factorization.

15148655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029736.

The product of its digits is 24000, while the sum is 35.

The square root of 15148655 is about 3892.1273103536. The cubic root of 15148655 is about 247.4332302967.

The spelling of 15148655 in words is "fifteen million, one hundred forty-eight thousand, six hundred fifty-five".