154333049 has 4 divisors (see below), whose sum is σ = 166204836. Its totient is φ = 142461264.

The previous prime is 154333019. The next prime is 154333073. The reversal of 154333049 is 940333451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940333451 = 2999 ⋅313549.

It can be written as a sum of positive squares in 2 ways, for example, as 29899024 + 124434025 = 5468^2 + 11155^2 .

It is a cyclic number.

It is not a de Polignac number, because 154333049 - 2⁸ = 154332793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154333009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5935874 + ... + 5935899.

It is an arithmetic number, because the mean of its divisors is an integer number (41551209).

Almost surely, 2^154333049 is an apocalyptic number.

It is an amenable number.

154333049 is a deficient number, since it is larger than the sum of its proper divisors (11871787).

154333049 is a wasteful number, since it uses less digits than its factorization.

154333049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871786.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 154333049 is about 12423.0853253127. The cubic root of 154333049 is about 536.3969652050.

The spelling of 154333049 in words is "one hundred fifty-four million, three hundred thirty-three thousand, forty-nine".