242645937 has 16 divisors (see below), whose sum is σ = 329703360. Its totient is φ = 158688000.

The previous prime is 242645911. The next prime is 242645939. The reversal of 242645937 is 739546242.

It is not a de Polignac number, because 242645937 - 2¹⁵ = 242613169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242645939) 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, 105237 + ... + 107517.

It is an arithmetic number, because the mean of its divisors is an integer number (20606460).

Almost surely, 2^242645937 is an apocalyptic number.

It is an amenable number.

242645937 is a deficient number, since it is larger than the sum of its proper divisors (87057423).

242645937 is a wasteful number, since it uses less digits than its factorization.

242645937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its digits is 362880, while the sum is 42.

The square root of 242645937 is about 15577.0965523104. The cubic root of 242645937 is about 623.7219211112.

The spelling of 242645937 in words is "two hundred forty-two million, six hundred forty-five thousand, nine hundred thirty-seven".