240000157 has 8 divisors (see below), whose sum is σ = 246961440. Its totient is φ = 233101680.

The previous prime is 240000151. The next prime is 240000179. The reversal of 240000157 is 751000042.

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

It is a cyclic number.

It is not a de Polignac number, because 240000157 - 2³ = 240000149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240000151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7894 + ... + 23287.

It is an arithmetic number, because the mean of its divisors is an integer number (30870180).

Almost surely, 2^240000157 is an apocalyptic number.

It is an amenable number.

240000157 is a deficient number, since it is larger than the sum of its proper divisors (6961283).

240000157 is a wasteful number, since it uses less digits than its factorization.

240000157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31403.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 240000157 is about 15491.9384519821. The cubic root of 240000157 is about 621.4466367006.

Adding to 240000157 its reverse (751000042), we get a palindrome (991000199).

The spelling of 240000157 in words is "two hundred forty million, one hundred fifty-seven", and thus it is an aban number.