153999464 has 32 divisors (see below), whose sum is σ = 307800000. Its totient is φ = 71980800.

The previous prime is 153999463. The next prime is 153999487. The reversal of 153999464 is 464999351.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (153999463) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16787 + ... + 24285.

It is an arithmetic number, because the mean of its divisors is an integer number (9618750).

Almost surely, 2^153999464 is an apocalyptic number.

It is an amenable number.

153999464 is a deficient number, since it is larger than the sum of its proper divisors (153800536).

153999464 is a wasteful number, since it uses less digits than its factorization.

153999464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673 (or 7669 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The square root of 153999464 is about 12409.6520499166. The cubic root of 153999464 is about 536.0102192304.

The spelling of 153999464 in words is "one hundred fifty-three million, nine hundred ninety-nine thousand, four hundred sixty-four".