147911768 has 8 divisors (see below), whose sum is σ = 277334580. Its totient is φ = 73955880.

The previous prime is 147911759. The next prime is 147911807. The reversal of 147911768 is 867119741.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×147911768² = 43755782225771648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9244478 + ... + 9244493.

Almost surely, 2^147911768 is an apocalyptic number.

It is an amenable number.

147911768 is a deficient number, since it is larger than the sum of its proper divisors (129422812).

147911768 is a wasteful number, since it uses less digits than its factorization.

147911768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18488977 (or 18488973 counting only the distinct ones).

The product of its digits is 84672, while the sum is 44.

The square root of 147911768 is about 12161.8982071057. The cubic root of 147911768 is about 528.8521116086.

The spelling of 147911768 in words is "one hundred forty-seven million, nine hundred eleven thousand, seven hundred sixty-eight".