162145074551 has 2 divisors, whose sum is σ = 162145074552. Its totient is φ = 162145074550.

The previous prime is 162145074523. The next prime is 162145074557. The reversal of 162145074551 is 155470541261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162145074551 - 2³⁰ = 161071332727 is a prime.

It is a super-2 number, since 2×162145074551² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 162145074499 and 162145074508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162145074557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81072537275 + 81072537276.

It is an arithmetic number, because the mean of its divisors is an integer number (81072537276).

Almost surely, 2^162145074551 is an apocalyptic number.

162145074551 is a deficient number, since it is larger than the sum of its proper divisors (1).

162145074551 is an equidigital number, since it uses as much as digits as its factorization.

162145074551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 162145074551 in words is "one hundred sixty-two billion, one hundred forty-five million, seventy-four thousand, five hundred fifty-one".