146146312447 has 2 divisors, whose sum is σ = 146146312448. Its totient is φ = 146146312446.

The previous prime is 146146312427. The next prime is 146146312531. The reversal of 146146312447 is 744213641641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146146312447 - 2²³ = 146137923839 is a prime.

It is a super-2 number, since 2×146146312447² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146146312427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73073156223 + 73073156224.

It is an arithmetic number, because the mean of its divisors is an integer number (73073156224).

Almost surely, 2^146146312447 is an apocalyptic number.

146146312447 is a deficient number, since it is larger than the sum of its proper divisors (1).

146146312447 is an equidigital number, since it uses as much as digits as its factorization.

146146312447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The spelling of 146146312447 in words is "one hundred forty-six billion, one hundred forty-six million, three hundred twelve thousand, four hundred forty-seven".