146157097 has 2 divisors, whose sum is σ = 146157098. Its totient is φ = 146157096.

The previous prime is 146157091. The next prime is 146157127. The reversal of 146157097 is 790751641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92852496 + 53304601 = 9636^2 + 7301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146157097 is a prime.

It is not a weakly prime, because it can be changed into another prime (146157091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73078548 + 73078549.

It is an arithmetic number, because the mean of its divisors is an integer number (73078549).

Almost surely, 2^146157097 is an apocalyptic number.

It is an amenable number.

146157097 is a deficient number, since it is larger than the sum of its proper divisors (1).

146157097 is an equidigital number, since it uses as much as digits as its factorization.

146157097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 146157097 is about 12089.5449459440. The cubic root of 146157097 is about 526.7525371833.

It can be divided in two parts, 14615 and 7097, that added together give a palindrome (21712).

The spelling of 146157097 in words is "one hundred forty-six million, one hundred fifty-seven thousand, ninety-seven".