149759545 has 32 divisors (see below), whose sum is σ = 206049312. Its totient is φ = 103514112.

The previous prime is 149759521. The next prime is 149759557. The reversal of 149759545 is 545957941.

It is a happy number.

149759545 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 16 ways, for example, as 117223929 + 32535616 = 10827^2 + 5704^2 .

It is not a de Polignac number, because 149759545 - 2¹⁹ = 149235257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345649 + ... + 346081.

It is an arithmetic number, because the mean of its divisors is an integer number (6439041).

Almost surely, 2^149759545 is an apocalyptic number.

It is an amenable number.

149759545 is a deficient number, since it is larger than the sum of its proper divisors (56289767).

149759545 is a wasteful number, since it uses less digits than its factorization.

149759545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its digits is 1134000, while the sum is 49.

The square root of 149759545 is about 12237.6282424333. The cubic root of 149759545 is about 531.0452198974.

The spelling of 149759545 in words is "one hundred forty-nine million, seven hundred fifty-nine thousand, five hundred forty-five".