147331624274557 has 4 divisors (see below), whose sum is σ = 147470485372956. Its totient is φ = 147192763176160.

The previous prime is 147331624274543. The next prime is 147331624274603. The reversal of 147331624274557 is 755472426133741.

147331624274557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 81835525597401 + 65496098677156 = 9046299^2 + 8092966^2 .

It is a cyclic number.

It is not a de Polignac number, because 147331624274557 - 2⁴⁷ = 6594135919229 is a prime.

It is a super-2 number, since 2×147331624274557² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147331624274495 and 147331624274504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147331624274057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69430547608 + ... + 69430549729.

It is an arithmetic number, because the mean of its divisors is an integer number (36867621343239).

Almost surely, 2^{147331624274557} is an apocalyptic number.

It is an amenable number.

147331624274557 is a deficient number, since it is larger than the sum of its proper divisors (138861098399).

147331624274557 is a wasteful number, since it uses less digits than its factorization.

147331624274557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138861098398.

The product of its digits is 118540800, while the sum is 61.

The spelling of 147331624274557 in words is "one hundred forty-seven trillion, three hundred thirty-one billion, six hundred twenty-four million, two hundred seventy-four thousand, five hundred fifty-seven".