149445433 has 4 divisors (see below), whose sum is σ = 150520720. Its totient is φ = 148370148.

The previous prime is 149445427. The next prime is 149445449. The reversal of 149445433 is 334544941.

149445433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149445433 - 2²⁵ = 115891001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149445392 and 149445401.

It is not an unprimeable number, because it can be changed into a prime (149445463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537435 + ... + 537712.

It is an arithmetic number, because the mean of its divisors is an integer number (37630180).

Almost surely, 2^149445433 is an apocalyptic number.

It is an amenable number.

149445433 is a deficient number, since it is larger than the sum of its proper divisors (1075287).

149445433 is a wasteful number, since it uses less digits than its factorization.

149445433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075286.

The product of its digits is 103680, while the sum is 37.

The square root of 149445433 is about 12224.7876464174. The cubic root of 149445433 is about 530.6736811187.

It can be divided in two parts, 149445 and 433, that added together give a triangular number (149878 = T₅₄₇).

The spelling of 149445433 in words is "one hundred forty-nine million, four hundred forty-five thousand, four hundred thirty-three".