145544874 has 16 divisors (see below), whose sum is σ = 303746112. Its totient is φ = 46405568.

The previous prime is 145544873. The next prime is 145544879. The reversal of 145544874 is 478445541.

145544874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145544873) 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, 527199 + ... + 527474.

It is an arithmetic number, because the mean of its divisors is an integer number (18984132).

Almost surely, 2^145544874 is an apocalyptic number.

145544874 is an abundant number, since it is smaller than the sum of its proper divisors (158201238).

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

145544874 is a wasteful number, since it uses less digits than its factorization.

145544874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054701.

The product of its digits is 358400, while the sum is 42.

The square root of 145544874 is about 12064.1980255631. The cubic root of 145544874 is about 526.0160206583.

The spelling of 145544874 in words is "one hundred forty-five million, five hundred forty-four thousand, eight hundred seventy-four".