147158857619 has 4 divisors (see below), whose sum is σ = 148587584496. Its totient is φ = 145730130744.

The previous prime is 147158857597. The next prime is 147158857633. The reversal of 147158857619 is 916758851741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147158857619 is a prime.

It is a super-2 number, since 2×147158857619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147118857619) 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, 714363284 + ... + 714363489.

It is an arithmetic number, because the mean of its divisors is an integer number (37146896124).

Almost surely, 2^147158857619 is an apocalyptic number.

147158857619 is a deficient number, since it is larger than the sum of its proper divisors (1428726877).

147158857619 is a wasteful number, since it uses less digits than its factorization.

147158857619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428726876.

The product of its digits is 16934400, while the sum is 62.

The spelling of 147158857619 in words is "one hundred forty-seven billion, one hundred fifty-eight million, eight hundred fifty-seven thousand, six hundred nineteen".