1415642249 has 16 divisors (see below), whose sum is σ = 1742684160. Its totient is φ = 1123206480.

The previous prime is 1415642231. The next prime is 1415642251. The reversal of 1415642249 is 9422465141.

It is a cyclic number.

It is not a de Polignac number, because 1415642249 - 2¹⁶ = 1415576713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1415642269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136829 + ... + 146810.

It is an arithmetic number, because the mean of its divisors is an integer number (108917760).

Almost surely, 2^1415642249 is an apocalyptic number.

It is an amenable number.

1415642249 is a deficient number, since it is larger than the sum of its proper divisors (327041911).

1415642249 is a wasteful number, since it uses less digits than its factorization.

1415642249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283700.

The product of its digits is 69120, while the sum is 38.

The square root of 1415642249 is about 37625.0215813892. The cubic root of 1415642249 is about 1122.8399042060.

The spelling of 1415642249 in words is "one billion, four hundred fifteen million, six hundred forty-two thousand, two hundred forty-nine".