147124431 has 20 divisors (see below), whose sum is σ = 220232584. Its totient is φ = 97880400.

The previous prime is 147124423. The next prime is 147124433. The reversal of 147124431 is 134421741.

147124431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147124431 - 2³ = 147124423 is a prime.

It is a super-2 number, since 2×147124431² = 43291196394147522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 147124395 and 147124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147124433) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44661 + ... + 47841.

Almost surely, 2^147124431 is an apocalyptic number.

147124431 is a deficient number, since it is larger than the sum of its proper divisors (73108153).

147124431 is an equidigital number, since it uses as much as digits as its factorization.

147124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764 (or 3755 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 147124431 is about 12129.4860154913. The cubic root of 147124431 is about 527.9120785938.

The spelling of 147124431 in words is "one hundred forty-seven million, one hundred twenty-four thousand, four hundred thirty-one".