101552144 has 10 divisors (see below), whose sum is σ = 196757310. Its totient is φ = 50776064.

The previous prime is 101552141. The next prime is 101552147. The reversal of 101552144 is 441255101.

It is an interprime number because it is at equal distance from previous prime (101552141) and next prime (101552147).

It can be written as a sum of positive squares in only one way, i.e., 80281600 + 21270544 = 8960^2 + 4612^2 .

It is not an unprimeable number, because it can be changed into a prime (101552141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173489 + ... + 3173520.

It is an arithmetic number, because the mean of its divisors is an integer number (19675731).

Almost surely, 2^101552144 is an apocalyptic number.

It is an amenable number.

101552144 is a deficient number, since it is larger than the sum of its proper divisors (95205166).

101552144 is an equidigital number, since it uses as much as digits as its factorization.

101552144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347017 (or 6347011 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 101552144 is about 10077.3083707903. The cubic root of 101552144 is about 466.5480360588.

The spelling of 101552144 in words is "one hundred one million, five hundred fifty-two thousand, one hundred forty-four".