145636651 has 2 divisors, whose sum is σ = 145636652. Its totient is φ = 145636650.

The previous prime is 145636639. The next prime is 145636661. The reversal of 145636651 is 156636541.

It is a strong prime.

It is an emirp because it is prime and its reverse (156636541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145636651 - 2²⁵ = 112082219 is a prime.

It is a super-2 number, since 2×145636651² = 42420068228991602, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145636651.

It is not a weakly prime, because it can be changed into another prime (145636661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72818325 + 72818326.

It is an arithmetic number, because the mean of its divisors is an integer number (72818326).

Almost surely, 2^145636651 is an apocalyptic number.

145636651 is a deficient number, since it is larger than the sum of its proper divisors (1).

145636651 is an equidigital number, since it uses as much as digits as its factorization.

145636651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 145636651 is about 12068.0011186609. The cubic root of 145636651 is about 526.1265616603.

The spelling of 145636651 in words is "one hundred forty-five million, six hundred thirty-six thousand, six hundred fifty-one".