145542748 has 12 divisors (see below), whose sum is σ = 274292200. Its totient is φ = 67173552.

The previous prime is 145542739. The next prime is 145542779. The reversal of 145542748 is 847245541.

145542748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 145542748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399398 + ... + 1399501.

Almost surely, 2^145542748 is an apocalyptic number.

It is an amenable number.

145542748 is a deficient number, since it is larger than the sum of its proper divisors (128749452).

145542748 is a wasteful number, since it uses less digits than its factorization.

145542748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798916 (or 2798914 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 145542748 is about 12064.1099132924. The cubic root of 145542748 is about 526.0134594425.

The spelling of 145542748 in words is "one hundred forty-five million, five hundred forty-two thousand, seven hundred forty-eight".