145728892 has 48 divisors (see below), whose sum is σ = 272656384. Its totient is φ = 68040000.

The previous prime is 145728887. The next prime is 145728893. The reversal of 145728892 is 298827541.

145728892 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145728893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 805042 + ... + 805222.

Almost surely, 2^145728892 is an apocalyptic number.

It is an amenable number.

145728892 is a deficient number, since it is larger than the sum of its proper divisors (126927492).

145728892 is a wasteful number, since it uses less digits than its factorization.

145728892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 145728892 is about 12071.8222319582. The cubic root of 145728892 is about 526.2376147449.

The spelling of 145728892 in words is "one hundred forty-five million, seven hundred twenty-eight thousand, eight hundred ninety-two".