149250755 has 4 divisors (see below), whose sum is σ = 179100912. Its totient is φ = 119400600.

The previous prime is 149250727. The next prime is 149250779. The reversal of 149250755 is 557052941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557052941 = 67 ⋅8314223.

It is not a de Polignac number, because 149250755 - 2⁶ = 149250691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14925071 + ... + 14925080.

It is an arithmetic number, because the mean of its divisors is an integer number (44775228).

Almost surely, 2^149250755 is an apocalyptic number.

149250755 is a deficient number, since it is larger than the sum of its proper divisors (29850157).

149250755 is an equidigital number, since it uses as much as digits as its factorization.

149250755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29850156.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 149250755 is about 12216.8226229245. The cubic root of 149250755 is about 530.4431501904.

The spelling of 149250755 in words is "one hundred forty-nine million, two hundred fifty thousand, seven hundred fifty-five".