145336226352461 has 2 divisors, whose sum is σ = 145336226352462. Its totient is φ = 145336226352460.

The previous prime is 145336226352413. The next prime is 145336226352467. The reversal of 145336226352461 is 164253622633541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138525979326436 + 6810247026025 = 11769706^2 + 2609645^2 .

It is a cyclic number.

It is not a de Polignac number, because 145336226352461 - 2⁶ = 145336226352397 is a prime.

It is a super-2 number, since 2×145336226352461² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145336226352467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72668113176230 + 72668113176231.

It is an arithmetic number, because the mean of its divisors is an integer number (72668113176231).

Almost surely, 2^{145336226352461} is an apocalyptic number.

It is an amenable number.

145336226352461 is a deficient number, since it is larger than the sum of its proper divisors (1).

145336226352461 is an equidigital number, since it uses as much as digits as its factorization.

145336226352461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 53.

The spelling of 145336226352461 in words is "one hundred forty-five trillion, three hundred thirty-six billion, two hundred twenty-six million, three hundred fifty-two thousand, four hundred sixty-one".