145604047 has 2 divisors, whose sum is σ = 145604048. Its totient is φ = 145604046.

The previous prime is 145604027. The next prime is 145604057. The reversal of 145604047 is 740406541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145604047 - 2⁷ = 145603919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145604027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72802023 + 72802024.

It is an arithmetic number, because the mean of its divisors is an integer number (72802024).

Almost surely, 2^145604047 is an apocalyptic number.

145604047 is a deficient number, since it is larger than the sum of its proper divisors (1).

145604047 is an equidigital number, since it uses as much as digits as its factorization.

145604047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 145604047 is about 12066.6501979630. The cubic root of 145604047 is about 526.0872970234.

The spelling of 145604047 in words is "one hundred forty-five million, six hundred four thousand, forty-seven".