50154149 has 4 divisors (see below), whose sum is σ = 50169036. Its totient is φ = 50139264.

The previous prime is 50154133. The next prime is 50154173. The reversal of 50154149 is 94145105.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94145105 = 5 ⋅18829021.

It can be written as a sum of positive squares in 2 ways, for example, as 38217124 + 11937025 = 6182^2 + 3455^2 .

It is a cyclic number.

It is not a de Polignac number, because 50154149 - 2⁴ = 50154133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50154179) 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, 287 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (12542259).

Almost surely, 2^50154149 is an apocalyptic number.

It is an amenable number.

50154149 is a deficient number, since it is larger than the sum of its proper divisors (14887).

50154149 is an equidigital number, since it uses as much as digits as its factorization.

50154149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14886.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 50154149 is about 7081.9594040068. The cubic root of 50154149 is about 368.7813546450.

The spelling of 50154149 in words is "fifty million, one hundred fifty-four thousand, one hundred forty-nine".