149952775 has 24 divisors (see below), whose sum is σ = 213736320. Its totient is φ = 102228960.

The previous prime is 149952743. The next prime is 149952779. The reversal of 149952775 is 577259941.

It is a happy number.

It is not a de Polignac number, because 149952775 - 2⁵ = 149952743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149952779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28932 + ... + 33718.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^149952775 is an apocalyptic number.

149952775 is a deficient number, since it is larger than the sum of its proper divisors (63783545).

149952775 is a wasteful number, since it uses less digits than its factorization.

149952775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4978 counting only the distinct ones).

The product of its digits is 793800, while the sum is 49.

The square root of 149952775 is about 12245.5206095944. The cubic root of 149952775 is about 531.2735186820.

The spelling of 149952775 in words is "one hundred forty-nine million, nine hundred fifty-two thousand, seven hundred seventy-five".