147021464 has 8 divisors (see below), whose sum is σ = 275665260. Its totient is φ = 73510728.

The previous prime is 147021463. The next prime is 147021467. The reversal of 147021464 is 464120741.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147021463) 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 as a sum of consecutive naturals, namely, 9188834 + ... + 9188849.

Almost surely, 2^147021464 is an apocalyptic number.

It is an amenable number.

147021464 is a deficient number, since it is larger than the sum of its proper divisors (128643796).

147021464 is a wasteful number, since it uses less digits than its factorization.

147021464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18377689 (or 18377685 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 147021464 is about 12125.2407811144. The cubic root of 147021464 is about 527.7888944099.

The spelling of 147021464 in words is "one hundred forty-seven million, twenty-one thousand, four hundred sixty-four".