146001157 has 2 divisors, whose sum is σ = 146001158. Its totient is φ = 146001156.

The previous prime is 146001133. The next prime is 146001169. The reversal of 146001157 is 751100641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140920641 + 5080516 = 11871^2 + 2254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146001157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146001197) 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, 73000578 + 73000579.

It is an arithmetic number, because the mean of its divisors is an integer number (73000579).

Almost surely, 2^146001157 is an apocalyptic number.

It is an amenable number.

146001157 is a deficient number, since it is larger than the sum of its proper divisors (1).

146001157 is an equidigital number, since it uses as much as digits as its factorization.

146001157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 146001157 is about 12083.0938505004. The cubic root of 146001157 is about 526.5651337592.

Adding to 146001157 its reverse (751100641), we get a palindrome (897101798).

The spelling of 146001157 in words is "one hundred forty-six million, one thousand, one hundred fifty-seven".