147380931 has 8 divisors (see below), whose sum is σ = 218342160. Its totient is φ = 98253936.

The previous prime is 147380921. The next prime is 147380957. The reversal of 147380931 is 139083741.

It is a happy number.

It is not a de Polignac number, because 147380931 - 2⁶ = 147380867 is a prime.

It is a super-2 number, since 2×147380931² = 43442277644853522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147380921) 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 7 ways as a sum of consecutive naturals, for example, 2729250 + ... + 2729303.

It is an arithmetic number, because the mean of its divisors is an integer number (27292770).

Almost surely, 2^147380931 is an apocalyptic number.

147380931 is a deficient number, since it is larger than the sum of its proper divisors (70961229).

147380931 is an equidigital number, since it uses as much as digits as its factorization.

147380931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5458562 (or 5458556 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 147380931 is about 12140.0548186571. The cubic root of 147380931 is about 528.2186916909.

The spelling of 147380931 in words is "one hundred forty-seven million, three hundred eighty thousand, nine hundred thirty-one".