145134392 has 16 divisors (see below), whose sum is σ = 293060040. Its totient is φ = 66985056.

The previous prime is 145134391. The next prime is 145134397. The reversal of 145134392 is 293431541.

145134392 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145134391) 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, 697658 + ... + 697865.

Almost surely, 2^145134392 is an apocalyptic number.

It is an amenable number.

145134392 is an abundant number, since it is smaller than the sum of its proper divisors (147925648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145134392 is a wasteful number, since it uses less digits than its factorization.

145134392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395542 (or 1395538 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 145134392 is about 12047.1736104366. The cubic root of 145134392 is about 525.5210452181.

The spelling of 145134392 in words is "one hundred forty-five million, one hundred thirty-four thousand, three hundred ninety-two".