201930157 has 24 divisors (see below), whose sum is σ = 251134560. Its totient is φ = 160505280.

The previous prime is 201930151. The next prime is 201930173. The reversal of 201930157 is 751039102.

It is a de Polignac number, because none of the positive numbers 2^k-201930157 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 (201930151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32463 + ... + 38179.

It is an arithmetic number, because the mean of its divisors is an integer number (10463940).

Almost surely, 2^201930157 is an apocalyptic number.

It is an amenable number.

201930157 is a deficient number, since it is larger than the sum of its proper divisors (49204403).

201930157 is a wasteful number, since it uses less digits than its factorization.

201930157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 201930157 is about 14210.2131229619. The cubic root of 201930157 is about 586.6787990704.

Adding to 201930157 its reverse (751039102), we get a palindrome (952969259).

The spelling of 201930157 in words is "two hundred one million, nine hundred thirty thousand, one hundred fifty-seven".