197030857142 has 32 divisors (see below), whose sum is σ = 347291945280. Its totient is φ = 82075921920.

The previous prime is 197030857061. The next prime is 197030857189. The reversal of 197030857142 is 241758030791.

It is a super-2 number, since 2×197030857142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483623 + ... + 792434.

It is an arithmetic number, because the mean of its divisors is an integer number (10852873290).

Almost surely, 2^197030857142 is an apocalyptic number.

197030857142 is a deficient number, since it is larger than the sum of its proper divisors (150261088138).

197030857142 is a wasteful number, since it uses less digits than its factorization.

197030857142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276376.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 197030857142 in words is "one hundred ninety-seven billion, thirty million, eight hundred fifty-seven thousand, one hundred forty-two".