242291499 has 16 divisors (see below), whose sum is σ = 341376000. Its totient is φ = 152545536.

The previous prime is 242291459. The next prime is 242291501. The reversal of 242291499 is 994192242.

242291499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242291499 - 2⁸ = 242291243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242291499.

It is not an unprimeable number, because it can be changed into a prime (242291459) 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, 16774 + ... + 27675.

It is an arithmetic number, because the mean of its divisors is an integer number (21336000).

Almost surely, 2^242291499 is an apocalyptic number.

242291499 is a deficient number, since it is larger than the sum of its proper divisors (99084501).

242291499 is a wasteful number, since it uses less digits than its factorization.

242291499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44554.

The product of its digits is 93312, while the sum is 42.

The square root of 242291499 is about 15565.7154991346. The cubic root of 242291499 is about 623.4180785641.

The spelling of 242291499 in words is "two hundred forty-two million, two hundred ninety-one thousand, four hundred ninety-nine".