106447457 has 2 divisors, whose sum is σ = 106447458. Its totient is φ = 106447456.

The previous prime is 106447441. The next prime is 106447477. The reversal of 106447457 is 754744601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98585041 + 7862416 = 9929^2 + 2804^2 .

It is a cyclic number.

It is not a de Polignac number, because 106447457 - 2⁴ = 106447441 is a prime.

It is a super-2 number, since 2×106447457² = 22662122203533698, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106447457.

It is not a weakly prime, because it can be changed into another prime (106447477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53223728 + 53223729.

It is an arithmetic number, because the mean of its divisors is an integer number (53223729).

Almost surely, 2^106447457 is an apocalyptic number.

It is an amenable number.

106447457 is a deficient number, since it is larger than the sum of its proper divisors (1).

106447457 is an equidigital number, since it uses as much as digits as its factorization.

106447457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 106447457 is about 10317.3376895399. The cubic root of 106447457 is about 473.9273405453.

The spelling of 106447457 in words is "one hundred six million, four hundred forty-seven thousand, four hundred fifty-seven".