99470144 has 14 divisors (see below), whose sum is σ = 197386194. Its totient is φ = 49735040.

The previous prime is 99470131. The next prime is 99470159. The reversal of 99470144 is 44107499.

It can be written as a sum of positive squares in only one way, i.e., 75342400 + 24127744 = 8680^2 + 4912^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99470098 and 99470107.

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, 777047 + ... + 777174.

Almost surely, 2^99470144 is an apocalyptic number.

It is an amenable number.

99470144 is a deficient number, since it is larger than the sum of its proper divisors (97916050).

99470144 is a wasteful number, since it uses less digits than its factorization.

99470144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554233 (or 1554223 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 99470144 is about 9973.4720132961. The cubic root of 99470144 is about 463.3376399487.

The spelling of 99470144 in words is "ninety-nine million, four hundred seventy thousand, one hundred forty-four".