147003861 has 4 divisors (see below), whose sum is σ = 196005152. Its totient is φ = 98002572.

The previous prime is 147003859. The next prime is 147003907. The reversal of 147003861 is 168300741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147003861 - 2¹ = 147003859 is a prime.

It is a super-2 number, since 2×147003861² = 43220270297814642, which contains 22 as substring.

It is a Duffinian number.

147003861 is a modest number, since divided by 3861 gives 147 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147003841) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 24500641 + ... + 24500646.

It is an arithmetic number, because the mean of its divisors is an integer number (49001288).

Almost surely, 2^147003861 is an apocalyptic number.

It is an amenable number.

147003861 is a deficient number, since it is larger than the sum of its proper divisors (49001291).

147003861 is an equidigital number, since it uses as much as digits as its factorization.

147003861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49001290.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 147003861 is about 12124.5148768930. The cubic root of 147003861 is about 527.7678293707.

The spelling of 147003861 in words is "one hundred forty-seven million, three thousand, eight hundred sixty-one".