Search a number
-
+
145549150 = 2523478389
BaseRepresentation
bin10001010110011…
…10011101011110
3101010212122220021
420223032131132
5244230033100
622235342354
73415101355
oct1053163536
9333778807
10145549150
117518225a
12408b19ba
1324201076
141548a99c
15cba0a1a
hex8ace75e

145549150 has 24 divisors (see below), whose sum is σ = 271533960. Its totient is φ = 58044960.

The previous prime is 145549099. The next prime is 145549153. The reversal of 145549150 is 51945541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145549153) 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, 13156 + ... + 21544.

It is an arithmetic number, because the mean of its divisors is an integer number (11313915).

Almost surely, 2145549150 is an apocalyptic number.

145549150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145549150 is a deficient number, since it is larger than the sum of its proper divisors (125984810).

145549150 is a wasteful number, since it uses less digits than its factorization.

145549150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748 (or 8743 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 145549150 is about 12064.3752428379. The cubic root of 145549150 is about 526.0211719275.

It can be divided in two parts, 1455491 and 50, that added together give a palindrome (1455541).

The spelling of 145549150 in words is "one hundred forty-five million, five hundred forty-nine thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 347 694 1735 3470 8389 8675 16778 17350 41945 83890 209725 419450 2910983 5821966 14554915 29109830 72774575 145549150