147431451 has 16 divisors (see below), whose sum is σ = 198453024. Its totient is φ = 97353984.

The previous prime is 147431413. The next prime is 147431483. The reversal of 147431451 is 154134741.

It is not a de Polignac number, because 147431451 - 2⁹ = 147430939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147431411) 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, 184585 + ... + 185381.

It is an arithmetic number, because the mean of its divisors is an integer number (12403314).

Almost surely, 2^147431451 is an apocalyptic number.

147431451 is a deficient number, since it is larger than the sum of its proper divisors (51021573).

147431451 is a wasteful number, since it uses less digits than its factorization.

147431451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310.

The product of its digits is 6720, while the sum is 30.

The square root of 147431451 is about 12142.1353558590. The cubic root of 147431451 is about 528.2790399769.

The spelling of 147431451 in words is "one hundred forty-seven million, four hundred thirty-one thousand, four hundred fifty-one".