Search a number
-
+
145411266 = 237112133171
BaseRepresentation
bin10001010101011…
…00110011000010
3101010121122202110
420222230303002
5244211130031
622232400150
73413655360
oct1052546302
9333548673
10145411266
1175098700
1240846056
1324183390
1415452630
15cb74c46
hex8aaccc2

145411266 has 192 divisors, whose sum is σ = 411844608. Its totient is φ = 33264000.

The previous prime is 145411261. The next prime is 145411289. The reversal of 145411266 is 662114541.

It is a super-2 number, since 2×1454112662 = 42288872559445512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145411261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2048011 + ... + 2048081.

It is an arithmetic number, because the mean of its divisors is an integer number (2145024).

Almost surely, 2145411266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145411266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205922304).

145411266 is an abundant number, since it is smaller than the sum of its proper divisors (266433342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145411266 is a wasteful number, since it uses less digits than its factorization.

145411266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 138 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 145411266 is about 12058.6593782228. The cubic root of 145411266 is about 525.8550131220.

It can be divided in two parts, 1454 and 11266, that added together give a triangular number (12720 = T159).

The spelling of 145411266 in words is "one hundred forty-five million, four hundred eleven thousand, two hundred sixty-six".