361143851 has 4 divisors (see below), whose sum is σ = 367064304. Its totient is φ = 355223400.

The previous prime is 361143841. The next prime is 361143857. The reversal of 361143851 is 158341163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158341163 = 1811 ⋅87433.

It is a cyclic number.

It is not a de Polignac number, because 361143851 - 2⁶ = 361143787 is a prime.

It is a super-2 number, since 2×361143851² = 260849762230220402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361143857) 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, 2960135 + ... + 2960256.

It is an arithmetic number, because the mean of its divisors is an integer number (91766076).

Almost surely, 2^361143851 is an apocalyptic number.

361143851 is a deficient number, since it is larger than the sum of its proper divisors (5920453).

361143851 is an equidigital number, since it uses as much as digits as its factorization.

361143851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920452.

The product of its digits is 8640, while the sum is 32.

The square root of 361143851 is about 19003.7851755907. The cubic root of 361143851 is about 712.1313006127.

The spelling of 361143851 in words is "three hundred sixty-one million, one hundred forty-three thousand, eight hundred fifty-one".