190148144351 has 4 divisors (see below), whose sum is σ = 207434339304. Its totient is φ = 172861949400.

The previous prime is 190148144323. The next prime is 190148144399. The reversal of 190148144351 is 153441841091.

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

It is a cyclic number.

It is not a de Polignac number, because 190148144351 - 2¹⁸ = 190147882207 is a prime.

It is a super-2 number, since 2×190148144351² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190148144299 and 190148144308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190148144321) 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, 8643097460 + ... + 8643097481.

It is an arithmetic number, because the mean of its divisors is an integer number (51858584826).

Almost surely, 2^190148144351 is an apocalyptic number.

190148144351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

190148144351 is a deficient number, since it is larger than the sum of its proper divisors (17286194953).

190148144351 is a wasteful number, since it uses less digits than its factorization.

190148144351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17286194952.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 190148144351 in words is "one hundred ninety billion, one hundred forty-eight million, one hundred forty-four thousand, three hundred fifty-one".