147374881 has 2 divisors, whose sum is σ = 147374882. Its totient is φ = 147374880.

The previous prime is 147374879. The next prime is 147374923. The reversal of 147374881 is 188473741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133056225 + 14318656 = 11535^2 + 3784^2 .

It is a cyclic number.

It is not a de Polignac number, because 147374881 - 2¹ = 147374879 is a prime.

It is a super-2 number, since 2×147374881² = 43438711099528322, which contains 22 as substring.

Together with 147374879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (147374831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73687440 + 73687441.

It is an arithmetic number, because the mean of its divisors is an integer number (73687441).

Almost surely, 2^147374881 is an apocalyptic number.

It is an amenable number.

147374881 is a deficient number, since it is larger than the sum of its proper divisors (1).

147374881 is an equidigital number, since it uses as much as digits as its factorization.

147374881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 43.

The square root of 147374881 is about 12139.8056409483. The cubic root of 147374881 is about 528.2114637843.

The spelling of 147374881 in words is "one hundred forty-seven million, three hundred seventy-four thousand, eight hundred eighty-one".