147274431 has 8 divisors (see below), whose sum is σ = 197684400. Its totient is φ = 97523712.

The previous prime is 147274427. The next prime is 147274433. The reversal of 147274431 is 134472741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147274431 - 2² = 147274427 is a prime.

It is a super-2 number, since 2×147274431² = 43379516052747522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147274392 and 147274401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147274433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164290 + ... + 165183.

It is an arithmetic number, because the mean of its divisors is an integer number (24710550).

Almost surely, 2^147274431 is an apocalyptic number.

147274431 is a deficient number, since it is larger than the sum of its proper divisors (50409969).

147274431 is a wasteful number, since it uses less digits than its factorization.

147274431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329625.

The product of its digits is 18816, while the sum is 33.

The square root of 147274431 is about 12135.6677195777. The cubic root of 147274431 is about 528.0914277225.

The spelling of 147274431 in words is "one hundred forty-seven million, two hundred seventy-four thousand, four hundred thirty-one".