153438854 has 4 divisors (see below), whose sum is σ = 230158284. Its totient is φ = 76719426.

The previous prime is 153438853. The next prime is 153438877. The reversal of 153438854 is 458834351.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153438853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38359712 + ... + 38359715.

It is an arithmetic number, because the mean of its divisors is an integer number (57539571).

Almost surely, 2^153438854 is an apocalyptic number.

153438854 is a deficient number, since it is larger than the sum of its proper divisors (76719430).

153438854 is an equidigital number, since it uses as much as digits as its factorization.

153438854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76719429.

The product of its digits is 230400, while the sum is 41.

The square root of 153438854 is about 12387.0437958376. The cubic root of 153438854 is about 535.3590090422.

The spelling of 153438854 in words is "one hundred fifty-three million, four hundred thirty-eight thousand, eight hundred fifty-four".