149575445 has 16 divisors (see below), whose sum is σ = 182167920. Its totient is φ = 117888000.

The previous prime is 149575441. The next prime is 149575451. The reversal of 149575445 is 544575941.

149575445 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 8 ways, for example, as 60575089 + 89000356 = 7783^2 + 9434^2 .

It is not a de Polignac number, because 149575445 - 2² = 149575441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149575396 and 149575405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149575441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121091 + ... + 122319.

It is an arithmetic number, because the mean of its divisors is an integer number (11385495).

Almost surely, 2^149575445 is an apocalyptic number.

It is an amenable number.

149575445 is a deficient number, since it is larger than the sum of its proper divisors (32592475).

149575445 is a wasteful number, since it uses less digits than its factorization.

149575445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its digits is 504000, while the sum is 44.

The square root of 149575445 is about 12230.1040469818. The cubic root of 149575445 is about 530.8275253402.

It can be divided in two parts, 14957 and 5445, that added together give a palindrome (20402).

The spelling of 149575445 in words is "one hundred forty-nine million, five hundred seventy-five thousand, four hundred forty-five".