146374447 has 2 divisors, whose sum is σ = 146374448. Its totient is φ = 146374446.

The previous prime is 146374427. The next prime is 146374463. The reversal of 146374447 is 744473641.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (744473641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146374447 - 2¹¹ = 146372399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146374427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73187223 + 73187224.

It is an arithmetic number, because the mean of its divisors is an integer number (73187224).

Almost surely, 2^146374447 is an apocalyptic number.

146374447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146374447 is an equidigital number, since it uses as much as digits as its factorization.

146374447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 40.

The square root of 146374447 is about 12098.5307785698. The cubic root of 146374447 is about 527.0135188272.

The spelling of 146374447 in words is "one hundred forty-six million, three hundred seventy-four thousand, four hundred forty-seven".