145150642 has 24 divisors (see below), whose sum is σ = 272757996. Its totient is φ = 57421728.

The previous prime is 145150627. The next prime is 145150651. The reversal of 145150642 is 246051541.

It can be written as a sum of positive squares in 2 ways, for example, as 143784081 + 1366561 = 11991^2 + 1169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145150642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55693 + ... + 58240.

Almost surely, 2^145150642 is an apocalyptic number.

145150642 is a deficient number, since it is larger than the sum of its proper divisors (127607354).

145150642 is a wasteful number, since it uses less digits than its factorization.

145150642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113962 (or 113955 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 145150642 is about 12047.8480236099. The cubic root of 145150642 is about 525.5406578410.

The spelling of 145150642 in words is "one hundred forty-five million, one hundred fifty thousand, six hundred forty-two".