102472148 has 6 divisors (see below), whose sum is σ = 179326266. Its totient is φ = 51236072.

The previous prime is 102472147. The next prime is 102472151. The reversal of 102472148 is 841274201.

It can be written as a sum of positive squares in only one way, i.e., 95491984 + 6980164 = 9772^2 + 2642^2 .

It is a super-2 number, since 2×102472148² = 21001082231467808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102472148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102472147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12809015 + ... + 12809022.

It is an arithmetic number, because the mean of its divisors is an integer number (29887711).

Almost surely, 2^102472148 is an apocalyptic number.

It is an amenable number.

102472148 is a deficient number, since it is larger than the sum of its proper divisors (76854118).

102472148 is a wasteful number, since it uses less digits than its factorization.

102472148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25618041 (or 25618039 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 102472148 is about 10122.8527599684. The cubic root of 102472148 is about 467.9526883772.

The spelling of 102472148 in words is "one hundred two million, four hundred seventy-two thousand, one hundred forty-eight".