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145543342250551 = 771292843746983
BaseRepresentation
bin100001000101111011110011…
…001101101101101000110111
3201002022210210202122211120211
4201011323303031231220313
5123034040231104004201
61233313404405410251
742441105462004240
oct4105736315555067
9632283722584524
10145543342250551
1142413648436583
12143a7336a09987
1363298a825b31b
1427d249a2bbcc7
1511c5db2974651
hex845ef336da37

145543342250551 has 8 divisors (see below), whose sum is σ = 168677998262784. Its totient is φ = 122994373732440.

The previous prime is 145543342250549. The next prime is 145543342250567. The reversal of 145543342250551 is 155052243345541.

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

It is not a de Polignac number, because 145543342250551 - 21 = 145543342250549 is a prime.

It is a super-2 number, since 2×1455433422505512 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145543342250495 and 145543342250504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145543342250591) 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, 146421872995 + ... + 146421873988.

It is an arithmetic number, because the mean of its divisors is an integer number (21084749782848).

Almost surely, 2145543342250551 is an apocalyptic number.

145543342250551 is a deficient number, since it is larger than the sum of its proper divisors (23134656012233).

145543342250551 is an equidigital number, since it uses as much as digits as its factorization.

145543342250551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292843747061.

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 145543342250551 in words is "one hundred forty-five trillion, five hundred forty-three billion, three hundred forty-two million, two hundred fifty thousand, five hundred fifty-one".

Divisors: 1 7 71 497 292843746983 2049906228881 20791906035793 145543342250551