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145344405033 = 32132491218913
BaseRepresentation
bin1000011101011100110…
…0111001111000101001
3111220011022010210012100
42013113030321320221
54340131131430113
6150434215004013
713333525026042
oct2072714717051
9456138123170
10145344405033
1156705144803
1224203669609
1310923b98239
14706b3418c9
153baa008d73
hex21d7339e29

145344405033 has 12 divisors (see below), whose sum is σ = 209957936500. Its totient is φ = 96888877056.

The previous prime is 145344405029. The next prime is 145344405043. The reversal of 145344405033 is 330504443541.

145344405033 is a `hidden beast` number, since 1 + 4 + 534 + 4 + 40 + 50 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104130126864 + 41214278169 = 322692^2 + 203013^2 .

It is not a de Polignac number, because 145344405033 - 22 = 145344405029 is a prime.

It is a super-2 number, since 2×1453444050332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145344405023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490216 + ... + 728697.

Almost surely, 2145344405033 is an apocalyptic number.

It is an amenable number.

145344405033 is a deficient number, since it is larger than the sum of its proper divisors (64613531467).

145344405033 is a wasteful number, since it uses less digits than its factorization.

145344405033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232168 (or 1232165 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 145344405033 its reverse (330504443541), we get a palindrome (475848848574).

The spelling of 145344405033 in words is "one hundred forty-five billion, three hundred forty-four million, four hundred five thousand, thirty-three".

Divisors: 1 3 9 13249 39747 119241 1218913 3656739 10970217 16149378337 48448135011 145344405033