147428331 has 16 divisors (see below), whose sum is σ = 202358784. Its totient is φ = 95425344.

The previous prime is 147428279. The next prime is 147428363. The reversal of 147428331 is 133824741.

It is not a de Polignac number, because 147428331 - 2²⁵ = 113873899 is a prime.

It is a super-2 number, since 2×147428331² = 43470225562891122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147428292 and 147428301.

It is not an unprimeable number, because it can be changed into a prime (147424331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13791 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (12647424).

Almost surely, 2^147428331 is an apocalyptic number.

147428331 is a deficient number, since it is larger than the sum of its proper divisors (54930453).

147428331 is a wasteful number, since it uses less digits than its factorization.

147428331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410.

The product of its digits is 16128, while the sum is 33.

The square root of 147428331 is about 12142.0068769541. The cubic root of 147428331 is about 528.2753134039.

The spelling of 147428331 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, three hundred thirty-one".