145632061 has 2 divisors, whose sum is σ = 145632062. Its totient is φ = 145632060.

The previous prime is 145632031. The next prime is 145632103. The reversal of 145632061 is 160236541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125328025 + 20304036 = 11195^2 + 4506^2 .

It is an emirp because it is prime and its reverse (160236541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145632061 is a prime.

It is a super-2 number, since 2×145632061² = 42417394382215442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145632031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72816030 + 72816031.

It is an arithmetic number, because the mean of its divisors is an integer number (72816031).

Almost surely, 2^145632061 is an apocalyptic number.

It is an amenable number.

145632061 is a deficient number, since it is larger than the sum of its proper divisors (1).

145632061 is an equidigital number, since it uses as much as digits as its factorization.

145632061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 145632061 is about 12067.8109448234. The cubic root of 145632061 is about 526.1210343285.

The spelling of 145632061 in words is "one hundred forty-five million, six hundred thirty-two thousand, sixty-one".