145584947 has 2 divisors, whose sum is σ = 145584948. Its totient is φ = 145584946.

The previous prime is 145584941. The next prime is 145584953. The reversal of 145584947 is 749485541.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (145584941) and next prime (145584953).

It is a cyclic number.

It is not a de Polignac number, because 145584947 - 2⁶ = 145584883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145584941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72792473 + 72792474.

It is an arithmetic number, because the mean of its divisors is an integer number (72792474).

Almost surely, 2^145584947 is an apocalyptic number.

145584947 is a deficient number, since it is larger than the sum of its proper divisors (1).

145584947 is an equidigital number, since it uses as much as digits as its factorization.

145584947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 47.

The square root of 145584947 is about 12065.8587344623. The cubic root of 145584947 is about 526.0642923818.

The spelling of 145584947 in words is "one hundred forty-five million, five hundred eighty-four thousand, nine hundred forty-seven".