149073055 has 4 divisors (see below), whose sum is σ = 178887672. Its totient is φ = 119258440.

The previous prime is 149073013. The next prime is 149073059. The reversal of 149073055 is 550370941.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 149073055 - 2⁷ = 149072927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149073055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149073059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14907301 + ... + 14907310.

It is an arithmetic number, because the mean of its divisors is an integer number (44721918).

Almost surely, 2^149073055 is an apocalyptic number.

149073055 is a deficient number, since it is larger than the sum of its proper divisors (29814617).

149073055 is an equidigital number, since it uses as much as digits as its factorization.

149073055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29814616.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 149073055 is about 12209.5476984203. The cubic root of 149073055 is about 530.2325489519.

The spelling of 149073055 in words is "one hundred forty-nine million, seventy-three thousand, fifty-five".