147691448 has 16 divisors (see below), whose sum is σ = 280428000. Its totient is φ = 72910656.

The previous prime is 147691447. The next prime is 147691451. The reversal of 147691448 is 844196741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 147691399 and 147691408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147691447) 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, 116213 + ... + 117476.

It is an arithmetic number, because the mean of its divisors is an integer number (17526750).

Almost surely, 2^147691448 is an apocalyptic number.

It is an amenable number.

147691448 is a deficient number, since it is larger than the sum of its proper divisors (132736552).

147691448 is a wasteful number, since it uses less digits than its factorization.

147691448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233774 (or 233770 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 147691448 is about 12152.8370350301. The cubic root of 147691448 is about 528.5893995907.

The spelling of 147691448 in words is "one hundred forty-seven million, six hundred ninety-one thousand, four hundred forty-eight".