15493045 has 8 divisors (see below), whose sum is σ = 18613080. Its totient is φ = 12380160.

The previous prime is 15493021. The next prime is 15493073. The reversal of 15493045 is 54039451.

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 15311569 = 426^2 + 3913^2 .

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

It is not a de Polignac number, because 15493045 - 2²³ = 7104437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15492998 and 15493016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6405 + ... + 8485.

It is an arithmetic number, because the mean of its divisors is an integer number (2326635).

Almost surely, 2^15493045 is an apocalyptic number.

It is an amenable number.

15493045 is a deficient number, since it is larger than the sum of its proper divisors (3120035).

15493045 is a wasteful number, since it uses less digits than its factorization.

15493045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 15493045 is about 3936.1205520157. The cubic root of 15493045 is about 249.2942495399.

The spelling of 15493045 in words is "fifteen million, four hundred ninety-three thousand, forty-five".