145001264445 has 12 divisors (see below), whose sum is σ = 251335525116. Its totient is φ = 77334007680.

The previous prime is 145001264417. The next prime is 145001264477. The reversal of 145001264445 is 544462100541.

145001264445 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 0 + 1 + 2 + 644 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84377468484 + 60623795961 = 290478^2 + 246219^2 .

It is not a de Polignac number, because 145001264445 - 2⁶ = 145001264381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1611125116 + ... + 1611125205.

It is an arithmetic number, because the mean of its divisors is an integer number (20944627093).

Almost surely, 2^145001264445 is an apocalyptic number.

145001264445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145001264445 is a deficient number, since it is larger than the sum of its proper divisors (106334260671).

145001264445 is a wasteful number, since it uses less digits than its factorization.

145001264445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250332 (or 3222250329 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 145001264445 its reverse (544462100541), we get a palindrome (689463364986).

The spelling of 145001264445 in words is "one hundred forty-five billion, one million, two hundred sixty-four thousand, four hundred forty-five".