201142791602 has 4 divisors (see below), whose sum is σ = 301714187406. Its totient is φ = 100571395800.

The previous prime is 201142791601. The next prime is 201142791613. The reversal of 201142791602 is 206197241102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145366050361 + 55776741241 = 381269^2 + 236171^2 .

It is a super-2 number, since 2×201142791602² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201142791601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50285697899 + ... + 50285697902.

Almost surely, 2^201142791602 is an apocalyptic number.

201142791602 is a deficient number, since it is larger than the sum of its proper divisors (100571395804).

201142791602 is a wasteful number, since it uses less digits than its factorization.

201142791602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100571395803.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 201142791602 in words is "two hundred one billion, one hundred forty-two million, seven hundred ninety-one thousand, six hundred two".