145929228061 has 2 divisors, whose sum is σ = 145929228062. Its totient is φ = 145929228060.

The previous prime is 145929228059. The next prime is 145929228083. The reversal of 145929228061 is 160822929541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120860522500 + 25068705561 = 347650^2 + 158331^2 .

It is a cyclic number.

It is not a de Polignac number, because 145929228061 - 2¹ = 145929228059 is a prime.

Together with 145929228059, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 145929227996 and 145929228014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145929228761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72964614030 + 72964614031.

It is an arithmetic number, because the mean of its divisors is an integer number (72964614031).

Almost surely, 2^145929228061 is an apocalyptic number.

It is an amenable number.

145929228061 is a deficient number, since it is larger than the sum of its proper divisors (1).

145929228061 is an equidigital number, since it uses as much as digits as its factorization.

145929228061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 145929228061 in words is "one hundred forty-five billion, nine hundred twenty-nine million, two hundred twenty-eight thousand, sixty-one".