190397344945 has 16 divisors (see below), whose sum is σ = 231346342080. Its totient is φ = 150406711744.

The previous prime is 190397344903. The next prime is 190397344987. The reversal of 190397344945 is 549443793091.

It is an interprime number because it is at equal distance from previous prime (190397344903) and next prime (190397344987).

It is a cyclic number.

It is not a de Polignac number, because 190397344945 - 2¹¹ = 190397342897 is a prime.

It is a super-2 number, since 2×190397344945² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190397344945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713886 + ... + 943624.

It is an arithmetic number, because the mean of its divisors is an integer number (14459146380).

Almost surely, 2^190397344945 is an apocalyptic number.

It is an amenable number.

190397344945 is a deficient number, since it is larger than the sum of its proper divisors (40948997135).

190397344945 is a wasteful number, since it uses less digits than its factorization.

190397344945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231824.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 190397344945 in words is "one hundred ninety billion, three hundred ninety-seven million, three hundred forty-four thousand, nine hundred forty-five".