145893450647 has 8 divisors (see below), whose sum is σ = 172484868000. Its totient is φ = 120739407264.

The previous prime is 145893450617. The next prime is 145893450671. The reversal of 145893450647 is 746054398541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145893450647 - 2⁶ = 145893450583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145893450592 and 145893450601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145893450607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359343272 + ... + 359343677.

It is an arithmetic number, because the mean of its divisors is an integer number (21560608500).

Almost surely, 2^145893450647 is an apocalyptic number.

145893450647 is a deficient number, since it is larger than the sum of its proper divisors (26591417353).

145893450647 is an equidigital number, since it uses as much as digits as its factorization.

145893450647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718686985.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 145893450647 in words is "one hundred forty-five billion, eight hundred ninety-three million, four hundred fifty thousand, six hundred forty-seven".