147145668 has 48 divisors (see below), whose sum is σ = 350099904. Its totient is φ = 48090240.

The previous prime is 147145667. The next prime is 147145711. The reversal of 147145668 is 866541741.

It is a super-2 number, since 2×147145668² = 43303695222332448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147145667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318958 + ... + 319418.

It is an arithmetic number, because the mean of its divisors is an integer number (7293748).

Almost surely, 2^147145668 is an apocalyptic number.

It is an amenable number.

147145668 is an abundant number, since it is smaller than the sum of its proper divisors (202954236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147145668 is a wasteful number, since it uses less digits than its factorization.

147145668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 147145668 is about 12130.3614125878. The cubic root of 147145668 is about 527.9374782489.

The spelling of 147145668 in words is "one hundred forty-seven million, one hundred forty-five thousand, six hundred sixty-eight".