153454545 has 24 divisors (see below), whose sum is σ = 279988800. Its totient is φ = 77534496.

The previous prime is 153454523. The next prime is 153454559. The reversal of 153454545 is 545454351.

153454545 is a `hidden beast` number, since 153 + 454 + 54 + 5 = 666.

It is not a de Polignac number, because 153454545 - 2⁸ = 153454289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88885 + ... + 90594.

It is an arithmetic number, because the mean of its divisors is an integer number (11666200).

Almost surely, 2^153454545 is an apocalyptic number.

153454545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153454545 is a deficient number, since it is larger than the sum of its proper divisors (126534255).

153454545 is a wasteful number, since it uses less digits than its factorization.

153454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179509 (or 179506 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 153454545 is about 12387.6771430321. The cubic root of 153454545 is about 535.3772574229.

The spelling of 153454545 in words is "one hundred fifty-three million, four hundred fifty-four thousand, five hundred forty-five".