151342784785 has 4 divisors (see below), whose sum is σ = 181611341748. Its totient is φ = 121074227824.

The previous prime is 151342784779. The next prime is 151342784843. The reversal of 151342784785 is 587487243151.

It is a Cunningham number, because it is equal to 389028²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54483029056 + 96859755729 = 233416^2 + 311223^2 .

It is a cyclic number.

It is not a de Polignac number, because 151342784785 - 2³ = 151342784777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15134278474 + ... + 15134278483.

It is an arithmetic number, because the mean of its divisors is an integer number (45402835437).

Almost surely, 2^151342784785 is an apocalyptic number.

It is an amenable number.

151342784785 is a deficient number, since it is larger than the sum of its proper divisors (30268556963).

151342784785 is an equidigital number, since it uses as much as digits as its factorization.

151342784785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30268556962.

The product of its digits is 7526400, while the sum is 55.

The spelling of 151342784785 in words is "one hundred fifty-one billion, three hundred forty-two million, seven hundred eighty-four thousand, seven hundred eighty-five".