159745354020 has 72 divisors (see below), whose sum is σ = 553783898304. Its totient is φ = 36513223488.

The previous prime is 159745353961. The next prime is 159745354079. The reversal of 159745354020 is 20453547951.

159745354020 is a `hidden beast` number, since 1 + 5 + 9 + 74 + 535 + 40 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (159745353961) and next prime (159745354079).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63389754 + ... + 63392273.

It is an arithmetic number, because the mean of its divisors is an integer number (7691443032).

Almost surely, 2^159745354020 is an apocalyptic number.

159745354020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159745354020 is an abundant number, since it is smaller than the sum of its proper divisors (394038544284).

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

159745354020 is a wasteful number, since it uses less digits than its factorization.

159745354020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126782049 (or 126782044 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 159745354020 in words is "one hundred fifty-nine billion, seven hundred forty-five million, three hundred fifty-four thousand, twenty".