146431425 has 24 divisors (see below), whose sum is σ = 276686656. Its totient is φ = 66939840.

The previous prime is 146431403. The next prime is 146431429. The reversal of 146431425 is 524134641.

146431425 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 146431425 - 2⁵ = 146431393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146431392 and 146431401.

It is not an unprimeable number, because it can be changed into a prime (146431429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138934 + ... + 139983.

Almost surely, 2^146431425 is an apocalyptic number.

146431425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

146431425 is a deficient number, since it is larger than the sum of its proper divisors (130255231).

146431425 is a wasteful number, since it uses less digits than its factorization.

146431425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278937 (or 278932 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 146431425 is about 12100.8852981920. The cubic root of 146431425 is about 527.0818920564.

The spelling of 146431425 in words is "one hundred forty-six million, four hundred thirty-one thousand, four hundred twenty-five".