146445131 has 8 divisors (see below), whose sum is σ = 167462400. Its totient is φ = 125452008.

The previous prime is 146445121. The next prime is 146445133. The reversal of 146445131 is 131544641.

146445131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 146445131 - 2⁶ = 146445067 is a prime.

It is a super-2 number, since 2×146445131² = 42892352787214322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146445094 and 146445103.

It is not an unprimeable number, because it can be changed into a prime (146445133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9710 + ... + 19676.

It is an arithmetic number, because the mean of its divisors is an integer number (20932800).

Almost surely, 2^146445131 is an apocalyptic number.

146445131 is a deficient number, since it is larger than the sum of its proper divisors (21017269).

146445131 is an equidigital number, since it uses as much as digits as its factorization.

146445131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12073.

The product of its digits is 5760, while the sum is 29.

The square root of 146445131 is about 12101.4516071420. The cubic root of 146445131 is about 527.0983365207.

Adding to 146445131 its reverse (131544641), we get a palindrome (277989772).

The spelling of 146445131 in words is "one hundred forty-six million, four hundred forty-five thousand, one hundred thirty-one".