102069152 has 24 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 50920384.

The previous prime is 102069137. The next prime is 102069157. The reversal of 102069152 is 251960201.

It is a super-2 number, since 2×102069152² = 20836223579998208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102069157) 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, 11999 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (8391600).

Almost surely, 2^102069152 is an apocalyptic number.

It is an amenable number.

102069152 is a deficient number, since it is larger than the sum of its proper divisors (99329248).

102069152 is an equidigital number, since it uses as much as digits as its factorization.

102069152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148 (or 7140 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 102069152 is about 10102.9278924478. The cubic root of 102069152 is about 467.3384375045.

Subtracting 102069152 from its reverse (251960201), we obtain a square (149891049 = 12243²).

The spelling of 102069152 in words is "one hundred two million, sixty-nine thousand, one hundred fifty-two".