145672427 has 2 divisors, whose sum is σ = 145672428. Its totient is φ = 145672426.

The previous prime is 145672403. The next prime is 145672447. The reversal of 145672427 is 724276541.

It is a strong prime.

It is an emirp because it is prime and its reverse (724276541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145672427 - 2⁸ = 145672171 is a prime.

It is not a weakly prime, because it can be changed into another prime (145672447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72836213 + 72836214.

It is an arithmetic number, because the mean of its divisors is an integer number (72836214).

Almost surely, 2^145672427 is an apocalyptic number.

145672427 is a deficient number, since it is larger than the sum of its proper divisors (1).

145672427 is an equidigital number, since it uses as much as digits as its factorization.

145672427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 38.

The square root of 145672427 is about 12069.4832946568. The cubic root of 145672427 is about 526.1696395593.

The spelling of 145672427 in words is "one hundred forty-five million, six hundred seventy-two thousand, four hundred twenty-seven".