149483945 has 8 divisors (see below), whose sum is σ = 193179336. Its totient is φ = 110388096.

The previous prime is 149483921. The next prime is 149483947. The reversal of 149483945 is 549384941.

149483945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6370576 + 143113369 = 2524^2 + 11963^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149483945 - 2⁸ = 149483689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149483945.

It is not an unprimeable number, because it can be changed into a prime (149483947) 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, 1149812 + ... + 1149941.

It is an arithmetic number, because the mean of its divisors is an integer number (24147417).

Almost surely, 2^149483945 is an apocalyptic number.

It is an amenable number.

149483945 is a deficient number, since it is larger than the sum of its proper divisors (43695391).

149483945 is a wasteful number, since it uses less digits than its factorization.

149483945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299771.

The product of its digits is 622080, while the sum is 47.

The square root of 149483945 is about 12226.3627052366. The cubic root of 149483945 is about 530.7192619685.

The spelling of 149483945 in words is "one hundred forty-nine million, four hundred eighty-three thousand, nine hundred forty-five".