147432731 has 2 divisors, whose sum is σ = 147432732. Its totient is φ = 147432730.

The previous prime is 147432689. The next prime is 147432739. The reversal of 147432731 is 137234741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147432731 - 2²² = 143238427 is a prime.

It is a super-2 number, since 2×147432731² = 43472820340236722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147432739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73716365 + 73716366.

It is an arithmetic number, because the mean of its divisors is an integer number (73716366).

Almost surely, 2^147432731 is an apocalyptic number.

147432731 is a deficient number, since it is larger than the sum of its proper divisors (1).

147432731 is an equidigital number, since it uses as much as digits as its factorization.

147432731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 147432731 is about 12142.1880647600. The cubic root of 147432731 is about 528.2805688122.

The spelling of 147432731 in words is "one hundred forty-seven million, four hundred thirty-two thousand, seven hundred thirty-one".