146457097 has 4 divisors (see below), whose sum is σ = 149863120. Its totient is φ = 143051076.

The previous prime is 146457079. The next prime is 146457107. The reversal of 146457097 is 790754641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146457097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 3405979 = 146457097 / (1 + 4 + 6 + 4 + 5 + 7 + 0 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146457007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1702947 + ... + 1703032.

It is an arithmetic number, because the mean of its divisors is an integer number (37465780).

Almost surely, 2^146457097 is an apocalyptic number.

It is an amenable number.

146457097 is a deficient number, since it is larger than the sum of its proper divisors (3406023).

146457097 is an equidigital number, since it uses as much as digits as its factorization.

146457097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406022.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 146457097 is about 12101.9460005406. The cubic root of 146457097 is about 527.1126924934.

The spelling of 146457097 in words is "one hundred forty-six million, four hundred fifty-seven thousand, ninety-seven".