Search a number
-
+
145261168 = 2413698371
BaseRepresentation
bin10001010100010…
…00001001110000
3101010100000212021
420222020021300
5244141324133
622225241224
73412461643
oct1052101160
9333300767
10145261168
1174aa5958
1240793214
132412cc70
1415413a5a
15cb4552d
hex8a88270

145261168 has 20 divisors (see below), whose sum is σ = 303093448. Its totient is φ = 67043520.

The previous prime is 145261147. The next prime is 145261183. The reversal of 145261168 is 861162541.

It is a super-2 number, since 2×1452611682 = 42201613857448448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348978 + ... + 349393.

Almost surely, 2145261168 is an apocalyptic number.

It is an amenable number.

145261168 is an abundant number, since it is smaller than the sum of its proper divisors (157832280).

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

145261168 is a wasteful number, since it uses less digits than its factorization.

145261168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698392 (or 698386 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 145261168 is about 12052.4341110002. The cubic root of 145261168 is about 525.6740162354.

The spelling of 145261168 in words is "one hundred forty-five million, two hundred sixty-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 698371 1396742 2793484 5586968 9078823 11173936 18157646 36315292 72630584 145261168