102275457 has 16 divisors (see below), whose sum is σ = 145609728. Its totient is φ = 63700560.

The previous prime is 102275447. The next prime is 102275473. The reversal of 102275457 is 754572201.

It is not a de Polignac number, because 102275457 - 2⁴ = 102275441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102275447) 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, 14269 + ... + 20202.

It is an arithmetic number, because the mean of its divisors is an integer number (9100608).

Almost surely, 2^102275457 is an apocalyptic number.

It is an amenable number.

102275457 is a deficient number, since it is larger than the sum of its proper divisors (43334271).

102275457 is a wasteful number, since it uses less digits than its factorization.

102275457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34540.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 102275457 is about 10113.1328973766. The cubic root of 102275457 is about 467.6530914064.

The spelling of 102275457 in words is "one hundred two million, two hundred seventy-five thousand, four hundred fifty-seven".