147021375 has 32 divisors (see below), whose sum is σ = 252555264. Its totient is φ = 75876000.

The previous prime is 147021361. The next prime is 147021377. The reversal of 147021375 is 573120741.

It is not a de Polignac number, because 147021375 - 2¹⁶ = 146955839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147021377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5302 + ... + 17948.

It is an arithmetic number, because the mean of its divisors is an integer number (7892352).

Almost surely, 2^147021375 is an apocalyptic number.

147021375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

147021375 is a deficient number, since it is larger than the sum of its proper divisors (105533889).

147021375 is a wasteful number, since it uses less digits than its factorization.

147021375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696 (or 12686 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 147021375 is about 12125.2371110836. The cubic root of 147021375 is about 527.7887879103.

The spelling of 147021375 in words is "one hundred forty-seven million, twenty-one thousand, three hundred seventy-five".