361645142 has 4 divisors (see below), whose sum is σ = 542467716. Its totient is φ = 180822570.

The previous prime is 361645117. The next prime is 361645171. The reversal of 361645142 is 241546163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241546163 = 1129 ⋅213947.

It is a junction number, because it is equal to n+sod(n) for n = 361645099 and 361645108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90411284 + ... + 90411287.

It is an arithmetic number, because the mean of its divisors is an integer number (135616929).

Almost surely, 2^361645142 is an apocalyptic number.

361645142 is a deficient number, since it is larger than the sum of its proper divisors (180822574).

361645142 is a wasteful number, since it uses less digits than its factorization.

361645142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180822573.

The product of its digits is 17280, while the sum is 32.

The square root of 361645142 is about 19016.9698427483. The cubic root of 361645142 is about 712.4606430297.

The spelling of 361645142 in words is "three hundred sixty-one million, six hundred forty-five thousand, one hundred forty-two".