147474644 has 6 divisors (see below), whose sum is σ = 258080634. Its totient is φ = 73737320.

The previous prime is 147474641. The next prime is 147474647. The reversal of 147474644 is 446474741.

It is an interprime number because it is at equal distance from previous prime (147474641) and next prime (147474647).

It can be written as a sum of positive squares in only one way, i.e., 107910544 + 39564100 = 10388^2 + 6290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147474641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434327 + ... + 18434334.

It is an arithmetic number, because the mean of its divisors is an integer number (43013439).

Almost surely, 2^147474644 is an apocalyptic number.

It is an amenable number.

147474644 is a deficient number, since it is larger than the sum of its proper divisors (110605990).

147474644 is a wasteful number, since it uses less digits than its factorization.

147474644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36868665 (or 36868663 counting only the distinct ones).

The product of its digits is 301056, while the sum is 41.

The square root of 147474644 is about 12143.9138666247. The cubic root of 147474644 is about 528.3306249191.

It can be divided in two parts, 14747 and 4644, that added together give a palindrome (19391).

The spelling of 147474644 in words is "one hundred forty-seven million, four hundred seventy-four thousand, six hundred forty-four".