146316431 has 4 divisors (see below), whose sum is σ = 147059352. Its totient is φ = 145573512.

The previous prime is 146316407. The next prime is 146316439. The reversal of 146316431 is 134613641.

146316431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146316431 - 2¹⁴ = 146300047 is a prime.

It is a super-2 number, since 2×146316431² = 42816995961155522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146316394 and 146316403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146316439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371165 + ... + 371558.

It is an arithmetic number, because the mean of its divisors is an integer number (36764838).

Almost surely, 2^146316431 is an apocalyptic number.

146316431 is a deficient number, since it is larger than the sum of its proper divisors (742921).

146316431 is an equidigital number, since it uses as much as digits as its factorization.

146316431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742920.

The product of its digits is 5184, while the sum is 29.

The square root of 146316431 is about 12096.1328944419. The cubic root of 146316431 is about 526.9438817711.

The spelling of 146316431 in words is "one hundred forty-six million, three hundred sixteen thousand, four hundred thirty-one".