145992461 has 2 divisors, whose sum is σ = 145992462. Its totient is φ = 145992460.

The previous prime is 145992443. The next prime is 145992479. The reversal of 145992461 is 164299541.

145992461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (145992443) and next prime (145992479).

It can be written as a sum of positive squares in only one way, i.e., 77616100 + 68376361 = 8810^2 + 8269^2 .

It is a cyclic number.

It is not a de Polignac number, because 145992461 - 2¹⁰ = 145991437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145992961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72996230 + 72996231.

It is an arithmetic number, because the mean of its divisors is an integer number (72996231).

Almost surely, 2^145992461 is an apocalyptic number.

It is an amenable number.

145992461 is a deficient number, since it is larger than the sum of its proper divisors (1).

145992461 is an equidigital number, since it uses as much as digits as its factorization.

145992461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 145992461 is about 12082.7340035275. The cubic root of 145992461 is about 526.5546792729.

The spelling of 145992461 in words is "one hundred forty-five million, nine hundred ninety-two thousand, four hundred sixty-one".