145044564997 has 8 divisors (see below), whose sum is σ = 148642764480. Its totient is φ = 141449247840.

The previous prime is 145044564989. The next prime is 145044565009. The reversal of 145044564997 is 799465440541.

It is a happy number.

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 145044564997 - 2³ = 145044564989 is a prime.

It is a super-2 number, since 2×145044564997² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145044564947) 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, 618513 + ... + 820150.

It is an arithmetic number, because the mean of its divisors is an integer number (18580345560).

Almost surely, 2^145044564997 is an apocalyptic number.

It is an amenable number.

145044564997 is a deficient number, since it is larger than the sum of its proper divisors (3598199483).

145044564997 is a wasteful number, since it uses less digits than its factorization.

145044564997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441163.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 145044564997 in words is "one hundred forty-five billion, forty-four million, five hundred sixty-four thousand, nine hundred ninety-seven".