149999545 has 8 divisors (see below), whose sum is σ = 185806080. Its totient is φ = 116128560.

The previous prime is 149999503. The next prime is 149999561. The reversal of 149999545 is 545999941.

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

It is not a de Polignac number, because 149999545 - 2¹⁵ = 149966777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483715 + ... + 484024.

It is an arithmetic number, because the mean of its divisors is an integer number (23225760).

Almost surely, 2^149999545 is an apocalyptic number.

It is an amenable number.

149999545 is a deficient number, since it is larger than the sum of its proper divisors (35806535).

149999545 is an equidigital number, since it uses as much as digits as its factorization.

149999545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967775.

The product of its digits is 2624400, while the sum is 55.

The square root of 149999545 is about 12247.4301386046. The cubic root of 149999545 is about 531.3287473578.

It can be divided in two parts, 149999 and 545, that added together give a square (150544 = 388²).

The spelling of 149999545 in words is "one hundred forty-nine million, nine hundred ninety-nine thousand, five hundred forty-five".