149503075 has 12 divisors (see below), whose sum is σ = 187119720. Its totient is φ = 118482560.

The previous prime is 149503073. The next prime is 149503087. The reversal of 149503075 is 570305941.

149503075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149503075 - 2¹ = 149503073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149503075.

It is not an unprimeable number, because it can be changed into a prime (149503073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25270 + ... + 30619.

It is an arithmetic number, because the mean of its divisors is an integer number (15593310).

Almost surely, 2^149503075 is an apocalyptic number.

149503075 is a deficient number, since it is larger than the sum of its proper divisors (37616645).

149503075 is a wasteful number, since it uses less digits than its factorization.

149503075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56006 (or 56001 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 149503075 is about 12227.1450060920. The cubic root of 149503075 is about 530.7419003560.

The spelling of 149503075 in words is "one hundred forty-nine million, five hundred three thousand, seventy-five".