145674427 has 2 divisors, whose sum is σ = 145674428. Its totient is φ = 145674426.

The previous prime is 145674413. The next prime is 145674509. The reversal of 145674427 is 724476541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145674427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145674427.

It is not a weakly prime, because it can be changed into another prime (145674827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72837213 + 72837214.

It is an arithmetic number, because the mean of its divisors is an integer number (72837214).

Almost surely, 2^145674427 is an apocalyptic number.

145674427 is a deficient number, since it is larger than the sum of its proper divisors (1).

145674427 is an equidigital number, since it uses as much as digits as its factorization.

145674427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 145674427 is about 12069.5661479607. The cubic root of 145674427 is about 526.1720475521.

The spelling of 145674427 in words is "one hundred forty-five million, six hundred seventy-four thousand, four hundred twenty-seven".