Search a number
-
+
144596240 = 2451807453
BaseRepresentation
bin10001001111001…
…01110100010000
3101002002020202022
420213211310100
5244004034430
622203111012
73404022245
oct1047456420
9332066668
10144596240
1174691328
1240512468
1323c59409
14152bd5cc
15ca634e5
hex89e5d10

144596240 has 20 divisors (see below), whose sum is σ = 336186444. Its totient is φ = 57838464.

The previous prime is 144596219. The next prime is 144596273. The reversal of 144596240 is 42695441.

It can be written as a sum of positive squares in 2 ways, for example, as 42667024 + 101929216 = 6532^2 + 10096^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144596240.

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, 903647 + ... + 903806.

Almost surely, 2144596240 is an apocalyptic number.

144596240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144596240 is an abundant number, since it is smaller than the sum of its proper divisors (191590204).

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

144596240 is a wasteful number, since it uses less digits than its factorization.

144596240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807466 (or 1807460 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 144596240 is about 12024.8176701354. The cubic root of 144596240 is about 524.8707043656.

The spelling of 144596240 in words is "one hundred forty-four million, five hundred ninety-six thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1807453 3614906 7229812 9037265 14459624 18074530 28919248 36149060 72298120 144596240