159453040 has 20 divisors (see below), whose sum is σ = 370728504. Its totient is φ = 63781184.

The previous prime is 159453029. The next prime is 159453079. The reversal of 159453040 is 40354951.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 159452993 and 159453011.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 996502 + ... + 996661.

Almost surely, 2^159453040 is an apocalyptic number.

159453040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159453040 is an abundant number, since it is smaller than the sum of its proper divisors (211275464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159453040 is a wasteful number, since it uses less digits than its factorization.

159453040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993176 (or 1993170 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 159453040 is about 12627.4716392475. The cubic root of 159453040 is about 542.2642012897.

The spelling of 159453040 in words is "one hundred fifty-nine million, four hundred fifty-three thousand, forty".