145134424 has 32 divisors (see below), whose sum is σ = 286322400. Its totient is φ = 68878080.

The previous prime is 145134419. The next prime is 145134443. The reversal of 145134424 is 424431541.

It is a junction number, because it is equal to n+sod(n) for n = 145134392 and 145134401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6157 + ... + 18115.

It is an arithmetic number, because the mean of its divisors is an integer number (8947575).

Almost surely, 2^145134424 is an apocalyptic number.

It is an amenable number.

145134424 is a deficient number, since it is larger than the sum of its proper divisors (141187976).

145134424 is a wasteful number, since it uses less digits than its factorization.

145134424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043 (or 12039 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 145134424 is about 12047.1749385489. The cubic root of 145134424 is about 525.5210838414.

Adding to 145134424 its reverse (424431541), we get a palindrome (569565965).

The spelling of 145134424 in words is "one hundred forty-five million, one hundred thirty-four thousand, four hundred twenty-four".