146381297047 has 4 divisors (see below), whose sum is σ = 148862336040. Its totient is φ = 143900258056.

The previous prime is 146381297033. The next prime is 146381297059. The reversal of 146381297047 is 740792183641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146381297047 - 2¹¹ = 146381294999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146381296985 and 146381297003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146381297087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240519408 + ... + 1240519525.

It is an arithmetic number, because the mean of its divisors is an integer number (37215584010).

Almost surely, 2^146381297047 is an apocalyptic number.

146381297047 is a deficient number, since it is larger than the sum of its proper divisors (2481038993).

146381297047 is an equidigital number, since it uses as much as digits as its factorization.

146381297047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481038992.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 146381297047 in words is "one hundred forty-six billion, three hundred eighty-one million, two hundred ninety-seven thousand, forty-seven".