145132278 has 16 divisors (see below), whose sum is σ = 298110000. Its totient is φ = 47069856.

The previous prime is 145132261. The next prime is 145132283. The reversal of 145132278 is 872231541.

145132278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 326653 + ... + 327096.

It is an arithmetic number, because the mean of its divisors is an integer number (18631875).

Almost surely, 2^145132278 is an apocalyptic number.

145132278 is an abundant number, since it is smaller than the sum of its proper divisors (152977722).

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

145132278 is a wasteful number, since it uses less digits than its factorization.

145132278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653791.

The product of its digits is 13440, while the sum is 33.

The square root of 145132278 is about 12047.0858716953. The cubic root of 145132278 is about 525.5184936592.

The spelling of 145132278 in words is "one hundred forty-five million, one hundred thirty-two thousand, two hundred seventy-eight".