149445529 has 8 divisors (see below), whose sum is σ = 150522120. Its totient is φ = 148373376.

The previous prime is 149445523. The next prime is 149445539. The reversal of 149445529 is 925544941.

149445529 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 63920025 + 85525504 = 7995^2 + 9248^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 149445529 - 2¹⁷ = 149314457 is a prime.

It is a super-2 number, since 2×149445529² = 44667932276179682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149445523) 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, 92077 + ... + 93685.

It is an arithmetic number, because the mean of its divisors is an integer number (18815265).

Almost surely, 2^149445529 is an apocalyptic number.

It is an amenable number.

149445529 is a deficient number, since it is larger than the sum of its proper divisors (1076591).

149445529 is a wasteful number, since it uses less digits than its factorization.

149445529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219.

The product of its digits is 259200, while the sum is 43.

The square root of 149445529 is about 12224.7915728654. The cubic root of 149445529 is about 530.6737947492.

The spelling of 149445529 in words is "one hundred forty-nine million, four hundred forty-five thousand, five hundred twenty-nine".