154380533 has 2 divisors, whose sum is σ = 154380534. Its totient is φ = 154380532.

The previous prime is 154380517. The next prime is 154380547. The reversal of 154380533 is 335083451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 75916369 = 8858^2 + 8713^2 .

It is an emirp because it is prime and its reverse (335083451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154380533 - 2⁴ = 154380517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154380533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154380593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77190266 + 77190267.

It is an arithmetic number, because the mean of its divisors is an integer number (77190267).

Almost surely, 2^154380533 is an apocalyptic number.

It is an amenable number.

154380533 is a deficient number, since it is larger than the sum of its proper divisors (1).

154380533 is an equidigital number, since it uses as much as digits as its factorization.

154380533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 154380533 is about 12424.9962977862. The cubic root of 154380533 is about 536.4519710553.

The spelling of 154380533 in words is "one hundred fifty-four million, three hundred eighty thousand, five hundred thirty-three".