145449391763 has 8 divisors (see below), whose sum is σ = 156641468928. Its totient is φ = 134257837824.

The previous prime is 145449391757. The next prime is 145449391807. The reversal of 145449391763 is 367193944541.

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

It is a cyclic number.

It is not a de Polignac number, because 145449391763 - 2²² = 145445197459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145449391699 and 145449391708.

It is not an unprimeable number, because it can be changed into a prime (145449391063) 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, 596270 + ... + 804012.

It is an arithmetic number, because the mean of its divisors is an integer number (19580183616).

Almost surely, 2^145449391763 is an apocalyptic number.

145449391763 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145449391763 is a deficient number, since it is larger than the sum of its proper divisors (11192077165).

145449391763 is a wasteful number, since it uses less digits than its factorization.

145449391763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261613.

The product of its digits is 9797760, while the sum is 56.

The spelling of 145449391763 in words is "one hundred forty-five billion, four hundred forty-nine million, three hundred ninety-one thousand, seven hundred sixty-three".