15672245 has 16 divisors (see below), whose sum is σ = 19920000. Its totient is φ = 11803968.

The previous prime is 15672233. The next prime is 15672299. The reversal of 15672245 is 54227651.

It is a cyclic number.

It is not a de Polignac number, because 15672245 - 2¹⁶ = 15606709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18491 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (1245000).

Almost surely, 2^15672245 is an apocalyptic number.

It is an amenable number.

15672245 is a deficient number, since it is larger than the sum of its proper divisors (4247755).

15672245 is a wasteful number, since it uses less digits than its factorization.

15672245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052.

The product of its digits is 16800, while the sum is 32.

The square root of 15672245 is about 3958.8186369168. The cubic root of 15672245 is about 250.2517197968.

Adding to 15672245 its reverse (54227651), we get a palindrome (69899896).

The spelling of 15672245 in words is "fifteen million, six hundred seventy-two thousand, two hundred forty-five".