145141501 has 2 divisors, whose sum is σ = 145141502. Its totient is φ = 145141500.

The previous prime is 145141487. The next prime is 145141531. The reversal of 145141501 is 105141541.

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., 125552025 + 19589476 = 11205^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 145141501 - 2¹³ = 145133309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145141531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72570750 + 72570751.

It is an arithmetic number, because the mean of its divisors is an integer number (72570751).

Almost surely, 2^145141501 is an apocalyptic number.

It is an amenable number.

145141501 is a deficient number, since it is larger than the sum of its proper divisors (1).

145141501 is an equidigital number, since it uses as much as digits as its factorization.

145141501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 145141501 is about 12047.4686552819. The cubic root of 145141501 is about 525.5296254682.

The spelling of 145141501 in words is "one hundred forty-five million, one hundred forty-one thousand, five hundred one".