241890064157 has 4 divisors (see below), whose sum is σ = 276445787616. Its totient is φ = 207334340700.

The previous prime is 241890064111. The next prime is 241890064189. The reversal of 241890064157 is 751460098142.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 241890064157 - 2¹⁰ = 241890063133 is a prime.

It is a super-2 number, since 2×241890064157² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241890060157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17277861719 + ... + 17277861732.

It is an arithmetic number, because the mean of its divisors is an integer number (69111446904).

Almost surely, 2^241890064157 is an apocalyptic number.

It is an amenable number.

241890064157 is a deficient number, since it is larger than the sum of its proper divisors (34555723459).

241890064157 is an equidigital number, since it uses as much as digits as its factorization.

241890064157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34555723458.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 241890064157 in words is "two hundred forty-one billion, eight hundred ninety million, sixty-four thousand, one hundred fifty-seven".