146157197 has 2 divisors, whose sum is σ = 146157198. Its totient is φ = 146157196.

The previous prime is 146157173. The next prime is 146157227. The reversal of 146157197 is 791751641.

146157197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139736041 + 6421156 = 11821^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 146157197 - 2¹⁶ = 146091661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146157127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73078598 + 73078599.

It is an arithmetic number, because the mean of its divisors is an integer number (73078599).

Almost surely, 2^146157197 is an apocalyptic number.

It is an amenable number.

146157197 is a deficient number, since it is larger than the sum of its proper divisors (1).

146157197 is an equidigital number, since it uses as much as digits as its factorization.

146157197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 146157197 is about 12089.5490817483. The cubic root of 146157197 is about 526.7526573171.

It can be divided in two parts, 14615 and 7197, that added together give a palindrome (21812).

The spelling of 146157197 in words is "one hundred forty-six million, one hundred fifty-seven thousand, one hundred ninety-seven".