145150538 has 16 divisors (see below), whose sum is σ = 246815520. Its totient is φ = 63466416.

The previous prime is 145150513. The next prime is 145150549. The reversal of 145150538 is 835051541.

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, 146420 + ... + 147407.

It is an arithmetic number, because the mean of its divisors is an integer number (15425970).

Almost surely, 2^145150538 is an apocalyptic number.

145150538 is a deficient number, since it is larger than the sum of its proper divisors (101664982).

145150538 is a wasteful number, since it uses less digits than its factorization.

145150538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293861.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 145150538 is about 12047.8437074856. The cubic root of 145150538 is about 525.5405323249.

The spelling of 145150538 in words is "one hundred forty-five million, one hundred fifty thousand, five hundred thirty-eight".