102155466 has 32 divisors (see below), whose sum is σ = 243652608. Its totient is φ = 27918000.

The previous prime is 102155461. The next prime is 102155467. The reversal of 102155466 is 664551201.

It is not an unprimeable number, because it can be changed into a prime (102155461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51910 + ... + 53841.

It is an arithmetic number, because the mean of its divisors is an integer number (7614144).

Almost surely, 2^102155466 is an apocalyptic number.

102155466 is an abundant number, since it is smaller than the sum of its proper divisors (141497142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102155466 is a wasteful number, since it uses less digits than its factorization.

102155466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105786.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 102155466 is about 10107.1987217033. The cubic root of 102155466 is about 467.4701341173.

The spelling of 102155466 in words is "one hundred two million, one hundred fifty-five thousand, four hundred sixty-six".